GENERAL MOTORS ACCEPTANCE CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL 658
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 1109

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6241836 Variable high pressure vibration welding processOct 17, 94Jun 05, 01[B32B]
5909957 Sealed vehicle lamp and assembly method thereforDec 23, 96Jun 08, 99[B60Q]
5803578 Headlamp mounting systemAug 28, 97Sep 08, 98[B60Q]
5709451 High intensity descharge bulb parabolic reflector vehicle headlampAug 29, 96Jan 20, 98[B60Q]
5571277 Automotive holographic signal lampJun 12, 95Nov 05, 96[B60Q]
5253154 Headlamp leveling arrangementJun 12, 92Oct 12, 93[B60Q]
5251111 Composite headlamp vent deviceSep 28, 92Oct 05, 93[B60Q]
5180219 Vehicle headlamp assemblyAug 05, 91Jan 19, 93[F21M]
5151849 Headlamp leveling arrangementAug 06, 91Sep 29, 92[F21M]
5113331 Vehicle headlamp assemblyAug 09, 91May 12, 92[F21V]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6015223 Optical subassembly for center high mount stop lampExpiredFeb 26, 98Jan 18, 00[B60Q]
5962973 Optically-coated dual-filament bulb for single compartment headlampExpiredJun 06, 97Oct 05, 99[H01K]
5903090 Automotive discharge lamp with fluidly communicable discharge and reservoir volumesExpiredDec 20, 96May 11, 99[H01J]
5882553 Multi-color lens assembly injection molding process and apparatusExpiredJun 09, 97Mar 16, 99[B29D]
5804231 Expandable hot runner manifoldExpiredDec 23, 96Sep 08, 98[B29C]
5622421 Vehicle headlamp assembly with calibration restrictorExpiredDec 26, 95Apr 22, 97[B60Q]
5616293 Rapid making of a prototype part or mold using stereolithography modelExpiredMar 03, 95Apr 01, 97[B29C]
5608288 Planar cold cathode lamp with reflecting surfacesExpiredApr 10, 95Mar 04, 97[H01J]
5539625 Vehicle headlamp aiming deviceExpiredAug 31, 95Jul 23, 96[B60Q]
5497298 Headlamp assembly with coil spring bulb shieldExpiredDec 12, 94Mar 05, 96[B60Q]
5497299 Headlamp assembly with hook-in bulb shieldExpiredDec 12, 94Mar 05, 96[B60Q]
5497301 Headlamp adjustment mechanismExpiredFeb 13, 95Mar 05, 96[B60Q]
5483425 Quick release vehicle headlamp arrangementExpiredDec 19, 94Jan 09, 96[B60Q]
5483426 Aimable vehicle headlamp assemblyExpiredDec 17, 94Jan 09, 96[B60Q]
5446632 Vehicle headlamp assembly with calibration restrictorExpiredAug 01, 94Aug 29, 95[B60Q]
5428511 Quick release vehicle headlamp arrangementExpiredSep 29, 94Jun 27, 95[F21M]
5424923 Quick release vehicle headlamp arrangementExpiredOct 14, 94Jun 13, 95[B60Q]
5413743 Method of making a lamp assemblyExpiredMay 20, 93May 09, 95[B29D]
5414602 Vehicle headlamp adjuster with pivoting housingExpiredAug 22, 94May 09, 95[F21M]
5402325 Vehicle headlamp assemblyExpiredDec 28, 93Mar 28, 95[F21V, B60Q]

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