E04F 11/04

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2025/0084,643 ATTIC STAIR APPARATUSNov 22, 24Mar 13, 25Not available
2023/0399,851 SPIRAL STAIRCASEJun 08, 22Dec 14, 23Not available
2023/0323,706 BOX CONSTRUCTION LOCKFeb 27, 23Oct 12, 23Fakro PP Sp. z o. o.
2023/0304,293 BracketFeb 27, 23Sep 28, 23Fakro PP Sp. z o. o.
2020/0190,813 VEHICLE SERVICE PITDec 12, 19Jun 18, 20Not available
2018/0320,383 ELEVATION-TYPE STAIR STRUCTUREApr 25, 18Nov 08, 18Not available
2018/0305,933 SELF-ACTUATING FLOOD GUARDOct 29, 16Oct 25, 18Floodbreak, L.L.C.
2017/0362,901 DRILLING RIG STAIR TOWER WITH INTEGRATED UTILITY LINES AND CABLE TRAYJun 15, 17Dec 21, 17Not available
2016/0102,461 STAIR EXPANSION JOINT SYSTEM WITH FREEDOM OF MOVEMENT BETWEEN LANDINGSOct 14, 14Apr 14, 16EMEH, INC.
2016/0002,931 Stair Modules Which Co Operate to Form a Temporary Stair CaseFeb 11, 14Jan 07, 16Not available
2012/0080,271 Apparatus and method for a portable pathwayMar 22, 11Apr 05, 12Not available
2012/0080,270 Apparatus and method for a portable pathwaySep 30, 10Apr 05, 12Not available
2011/0289,868 Roll-Away StaircaseMay 27, 10Dec 01, 11Not available
2011/0225,899 System for Insulating Attic OpeningsApr 19, 11Sep 22, 11Not available
2011/0209,672 Reversible Pet Spiral StaircaseFeb 25, 11Sep 01, 11Not available
2010/0206,984 Bearing Application for Fastening Step Flights in an AircraftApr 17, 08Aug 19, 10AIRBUS OPERATIONS GMBH
2010/0192,487 Pivotal stairway systems and methodOct 09, 09Aug 05, 10Creative Products of WI, LLC
2010/0083,913 Pet step storage unitOct 08, 08Apr 08, 10Not available
2009/0308,003 SWIMMING POOL STAIRSJun 17, 08Dec 17, 09PRONTO PROTOTYPES INC.
2008/0120,928 Anchoring System For Swimming Pool StairsNov 28, 07May 29, 08Quebec Inc., 9189-2356 QUEBEC INC., QUBBEC INC.,