US Patent No: 6,308,991
Number of patents in Portfolio can not be more than 2000
Printed document including bar code authentication system
Stats
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Oct 30, 2001
Issued date -
Oct 16, 1995
filing date -
08/543,636
serial no -
In Force
status
Importance
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Abstract
A printed document in which a bar code is imprinted on a surface thereof and entirely covered with a scratch-off layer, the removal of the scratch-off layer reveals the entire bar code thereby enabling easy authentication of the printed document.
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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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| 4,726,608 Information bearing article with tamper resistant scratch-off opaque coating | 74 | 1986 | |
| 5,286,061 Lottery ticket having validation data printed in developable invisible ink | 40 | 1992 | |
| 5,346,258 Game ticket confusion patterns | 50 | 1993 | |
| 5,475,205 Document verification system | 113 | 1994 | |
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| 4,738,473 Ticket with scratch-off coating and method and apparatus for fabricating same at point of sale | 30 | 1986 | |
| 4,787,950 Method for fabricating imprinted ticket with scratch-off coating | 11 | 1987 | |
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| 5,074,566 Two level scratch game | 74 | 1990 | |
| 5,193,854 Tamper-resistant article and method of authenticating the same | 100 | 1992 | |
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| 5,098,131 Retail coupon document | 8 | 1991 | |
| 5,174,609 Coupon document enabling a user to reveal one coupon while destroying another coupon | 5 | 1991 | |
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| 4,398,708 Method of fabricating and securing playing cards for instant lotteries and games | 120 | 1979 | |
| 4,858,123 Manufacturing lottery tickets and commercial coupons | 25 | 1988 | |
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| 8,156,467 Reusing components in a running application | 1 | 2007 | |
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| 5,419,592 Bingo-game marker with revealable, concealed imprint | 23 | 1993 | |
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| 4,591,190 Voucher with self-contained verification means | 42 | 1983 | |
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| 5,532,046 Simulated foil card | 7 | 1994 | |
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| 5,489,096 Ticket systems for wagering on sports events | 52 | 1995 | |
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| 4,872,707 Label or ticket | 35 | 1987 | |
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| 5,282,917 Method of making a product having a concealed message | 10 | 1993 | |
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| 4,662,518 Lotta luck lottery kit | 12 | 1985 | |
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| 5,628,648 Electrical connector position assurance system | 45 | 1995 | |
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| 5,484,169 Hidden entry system and image-developing device therefor | 5 | 1995 | |
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| 5,471,039 Electronic validation machine for documents | 143 | 1994 | |
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| 5,217,258 Double sided break open game ticket | 21 | 1992 | |
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| 4,725,079 Lottery ticket integrity number | 118 | 1986 | |
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| 4,790,565 Game | 52 | 1987 | |
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| 5,235,167 Laser scanning system and scanning method for reading bar codes | 157 | 1991 | |
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| 6,210,988 Polycrystalline silicon germanium films for forming micro-electromechanical systems | 204 | 2000 | |
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| 4,832,341 High security instant lottery using bar codes | 125 | 1986 | |
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| 5,407,199 Interactive games and method of playing | 205 | 1993 | |
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| 4,880,964 Scannable fraud preventing coupon | 61 | 1984 | |
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| 5,290,033 Gaming machine and coupons | 260 | 1992 | |
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 | Apr 30, 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 |