ALLSTEEL INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E04B GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS 740
 
  
 
E06B FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES 243
 
  
 
E04C STRUCTURAL ELEMENTS; BUILDING MATERIALS 125
 
  
 
E04F FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS 126

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9803361 Modular wall system with variable trimJun 04, 15Oct 31, 17[E04B]
9765518 Modular wall systemNov 04, 15Sep 19, 17[E04B, E04C, E04F]
9624718 Dynamic desk accessory delivering on-demand privacy on an open work tableJul 29, 15Apr 18, 17[A47B, E06B]
9284729 Modular wall systemMay 05, 11Mar 15, 16[E04B]
9206600 Modular wall systemDec 05, 13Dec 08, 15[E04B]
D731833 ChairApr 17, 14Jun 16, 15[0601]
8615936 Modular wall systemAug 24, 12Dec 31, 13[E04B]
8613168 Modular wall systemAug 24, 12Dec 24, 13[E04B]
8601749 Modular wall systemAug 28, 12Dec 10, 13[E04B]
D398464 Office chairMay 28, 97Sep 22, 98[0606]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
9051728 Modular wall systemWithdrawnMay 05, 11Jun 09, 15[E04B]
5792541 Modular work top panel with recessed top and formable edges and method of manufactureExpiredSep 19, 95Aug 11, 98[B32B]
D371683 Office chairExpiredDec 08, 94Jul 16, 96[]
5488808 Interlock for wall panel systemExpiredJun 01, 94Feb 06, 96[E04B]
D348786 Office chairExpiredMar 26, 92Jul 19, 94[]
D337003 ChairExpiredMar 15, 91Jul 06, 93[]
5201108 Method of assembling office furniture wire rod stacking chairExpiredNov 05, 91Apr 13, 93[B23P]
5189779 Method of installation of a grommet assembly to a wall panelExpiredNov 20, 91Mar 02, 93[F16L, B23P, B21D, B65D]
5184441 Top cap with snap-in accent strip for wall panelsExpiredMay 14, 91Feb 09, 93[E04C]
5172530 Sound attenuation panel arrangement with cabling accommodating capability for office furniture space divider systemsExpiredNov 06, 90Dec 22, 92[E04H]
D331513 Drawer unitExpiredMay 10, 90Dec 08, 92[]
D331335 File cabinetExpiredMar 14, 90Dec 01, 92[]
D330641 Combined desk, wall panel and storage unitExpiredMay 10, 90Nov 03, 92[]
D330642 Combined dual desk, wall panel and storage unitExpiredJun 01, 90Nov 03, 92[]
D330643 Combined desk, wall panel and storage unitExpiredJun 01, 90Nov 03, 92[]
D330295 Combined dual work surface, wall panel and storage unitExpiredJun 01, 90Oct 20, 92[]
5144777 Grommet assembly for wall panelsExpiredApr 09, 91Sep 08, 92[F16L, E04B, B65D, E04F]
D328680 Shelf or similar articleExpiredNov 28, 89Aug 18, 92[]
D327794 Cabinet for office furnitureExpiredNov 14, 89Jul 14, 92[]
5117599 Panel connector arrangement for office furniture demountable wall panel space divider systemsExpiredMay 31, 90Jun 02, 92[E04H]

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Top Inventors for This Owner

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