
US Patent No: D445580
Number of patents in Portfolio can not be more than 2000
Chair
Stats
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Jul 31, 2001
Issued date -
Sep 28, 2000
filing date -
29/130,350
serial no -
In Force
status
Importance
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Abstract
Not Available
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First Claim
Related Publications
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International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 4,390,206 Synchrotilt chair control | 78 | 1980 | |
| 4,479,679 Body weight chair control | 63 | 1981 | |
| 4,498,702 Seating unit with front flex area | 63 | 1982 | |
| 4,776,633 Integrated chair and control | 113 | 1986 | |
| 5,050,931 Controlled deflection front lip for seating | 47 | 1986 | |
| D360316 Chair | 27 | 1993 | |
| 5,577,807 Adjustable chair actuator | 91 | 1994 | |
| 5,725,277 Synchrotilt chair | 42 | 1996 | |
| 5,909,923 Chair with novel pivot mounts and method of assembly | 59 | 1997 | |
| 5,975,634 Chair including novel back construction | 92 | 1997 | |
| D411928 Chair | 48 | 1998 | |
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| 5,765,804 Pneumatic support colunm for a chair | 32 | 1995 | |
| 5,765,914 Chair with a tilt control mechanism | 44 | 1995 | |
| 5,772,282 Tilt control mechanism for a chair | 46 | 1995 | |
| 6,035,901 Woven fabric membrane for a seating surface | 107 | 1995 | |
| 6,059,368 Office chair | 112 | 1995 | |
| 5,711,575 Office chair and adjustable lumbar support therefor | 48 | 1996 | |
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| D362973 Swivel chair | 71 | 1993 | |
| 5,486,035 Occupant weight operated chair | 62 | 1994 | |
| D399664 Chair | 29 | 1997 | |
| D405283 Chair | 26 | 1998 | |
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| 4,408,797 Furniture article with padding attached to a supporting shell | 25 | 1981 | |
| 4,552,406 Chair | 22 | 1983 | |
| 4,509,793 Chair | 48 | 1983 | |
| 5,251,958 Synchronous adjusting device for office chairs or the like | 40 | 1991 | |
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| 5,308,145 Reclining chair | 38 | 1992 | |
| 5,314,237 Reclining chair | 34 | 1992 | |
| D390712 Chair | 119 | 1996 | |
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| D407911 Chair | 78 | 1997 | |
| D437497 Chair | 51 | 1999 | |
| D437701 Chair | 86 | 1999 | |
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| D350033 Chair | 27 | 1992 | |
| D418685 Chair | 18 | 1999 | |
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| 5,868,467 Seating furniture component or the like with a coupled backrest and seat adjustment | 27 | 1997 | |
| 5,860,701 Seating furniture component or the like with a coupled backrest and seat adjustment | 29 | 1997 | |
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| 6,056,360 Adjustable lumbar seat support | 25 | 1998 | |
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| D436456 Chair | 70 | 2000 | |
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| D369259 Back support chair | 28 | 1995 | |
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| 4,585,272 Chair having a back comprising a plurality of articulated segments | 98 | 1983 | |
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| D379567 Chair | 28 | 1995 | |
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| 5,009,466 Reclining chair | 46 | 1989 | |
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| 4,765,679 Chair having a seat with front and rear seat portions being hinged to each other | 59 | 1987 | |
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| 4,685,730 Seat, especially work seat, with several positions | 63 | 1985 | |
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| D327781 Chair | 32 | 1989 | |
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| 5,171,209 Dynamic support for preventing back-ache in a sitting position | 22 | 1992 | |
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| 5,547,252 Office chair | 28 | 1994 | |
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| 4,429,917 Chair | 67 | 1981 | |
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| 5,791,736 Ergonomic seating apparatus with inclined femoral portion | 21 | 1996 | |
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| 5,964,503 Chair | 27 | 1997 | |
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| 5,575,534 Work chair | 26 | 1995 | |
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| 5,100,201 Passive ergonomic work chair | 50 | 1990 | |
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| 4,380,352 Reclining chair | 65 | 1980 | |
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| 6,010,189 Synchronized chair seat and backrest tilt control mechanism | 24 | 1999 | |
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| D372799 Pedestal based executive chair | 38 | 1995 | |
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| 6,120,096 Mechanical device for synchronous movement of the backrest and seat of a chair | 32 | 1999 | |
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| D436259 Chair | 48 | 2000 | |
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| 4,560,199 Recliner chair | 28 | 1984 | |
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| 4,988,145 Seating furniture | 59 | 1989 | |
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| 4,733,910 Article of furniture | 45 | 1986 | |
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| 4,869,552 Flexible backrest assembly for a chair | 67 | 1988 | |
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| D273728 Chair | 25 | 1981 | |
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| D436768 Seating product | 48 | 1999 | |
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| 4,981,326 Ergonomic chair | 81 | 1988 | |
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| 5,971,481 Chair, specially an office chair | 25 | 1998 | |
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| 5,102,196 Chair provided with a backrest | 90 | 1990 | |
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| 5,660,439 Integrated seat and back and mechanisms for chairs | 59 | 1995 | |
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| 4,555,136 Furniture construction | 20 | 1983 | |
| 4,711,491 Swivel tilt mechanism for chair | 45 | 1986 | |
| 4,848,837 Chair having a pelvis-hip support adjustable relative to a front seat portion | 47 | 1987 | |
| 5,022,709 Springing and wrap-around element for a seat and/or backrest, and seat embodying the same | 82 | 1989 | |
| 5,354,120 Reclining chair | 70 | 1992 | |
| 5,401,077 Ergonomically improved chair or armchair | 32 | 1993 | |
| 5,567,011 Cushion for anatomical support, especially for the lumbar and cervical regions, to fit onto seat backs | 85 | 1994 | |
| 5,826,940 Reactive multi-position chair | 40 | 1996 | |
| 6,039,397 Tilt back chair control | 28 | 1998 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 31, 2013 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |