E04F 11/032

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2023/0033,898 Guard AssembliesOct 10, 22Feb 02, 23Not available
2021/0238,860 INVISIBLE STAIRCASEApr 22, 21Aug 05, 21Not available
2021/0131,111 FREESTANDING MODULAR SPIRAL STAIRCASEDec 31, 20May 06, 21Not available
2021/0131,110 Freestanding Modular Spiral StaircaseOct 23, 20May 06, 21Not available
2020/0032,520 STAIRCASE PRODUCED BY 3D PRINTING OF A CEMENTITIOUS MATERIALJul 30, 19Jan 30, 20VCF HABITAT IDF
2019/0360,212 TREAD MOUNTING SYSTEM FOR SPIRAL STAIRCASEJul 10, 19Nov 28, 19Not available
2017/0342,719 PREFABRICATED SPIRAL STAIRCASEJan 05, 16Nov 30, 17Not available
2017/0241,142 A Kit of Parts for Securing a Fixture to an Elongate Support Member, and a Kit of Parts for a Modular StaircaseSep 10, 15Aug 24, 17LOGRAR GROUP LIMITED
2016/0331,135 MODULAR SHELVING AND STEP ASSEMBLYMay 13, 16Nov 17, 16Not available
2016/0319,551 Staircase Element and Method for Building a StaircaseNov 20, 15Nov 03, 16RAKENNUS JA TEKNIIKKA HAASLAHTI OY
2016/0208,495 Staircase Element and Method for Building a StaircaseNov 20, 15Jul 21, 16Not available
2012/0304,560 KIT FOR PRODUCING A STAIR CASENov 18, 10Dec 06, 12Not available
2011/0302,851 Earthquake-Safe Compact Elevator System With Optional StaircaseJun 13, 11Dec 15, 11Not available
2011/0258,946 SPIRAL STAIRCASENov 27, 09Oct 27, 11ALBINI & FONTANOT S.P.A.
2011/0192,099 MODULAR SPIRAL STAIRCASE ASSEMBLYFeb 05, 10Aug 11, 11Custom Iron, Inc.
2010/0107,523 BENT POLE COMPOSITE STAIRSNov 04, 08May 06, 10JOHN D. SHEPHERD LLC
2009/0094,907 STEP FOR MODULAR STAIRCASES AND RELATIVE STAIRCASEApr 28, 06Apr 16, 09FELM S.R.L.