Title:
Ceiling and lighting construction
Document Type and Number:
United States Patent 2888113

Inventors:
Schwartz, Robert A. D.
Lindheim, Stephen W.
      Plaque It!

Sponsored by:
Flash of Genius
Publication Date:
05/26/1959
View Patent Images:
Images are available in PDF form when logged in. To view PDFs, Login  or  Create Account (Free!)
Referenced by:
View patents that cite this patent
Export Citation:
Click for automatic bibliography generation
Assignee:
Schwartz, Robert A. D.
Lindheim, Stephen W.
Primary Class:
52/28
Other Classes:
138/157, 174/491, 52/665, 174/68.300, 362/150
International Classes:
E04B9/00; E04B9/06; F21S8/02; F21V21/00
US Patent References:
1878812Ceiling
2009512Acoustical ceiling construction
2013762Building construction
2090239Electric conduit and outlet channel
2099211Building construction and panel for use therein
2242558Building interior construction
2302586Grating
2328977Building wall construction
2349158Ceiling system
2376715Ceiling
2377427Sash construction
2518724Inbuilt lighting equipment
2674686Ceiling illumination
2680805Louverall lighting device
2689630Ceiling construction
2710679Suspended ceiling construction
2728595Retaining latch for luminous ceiling panels
2762398Wire duct
Foreign References:
GB493571A
GB533541A
GB546954A
GB653336A




<- Previous Patent (Panel joints and pan...)   |   Next Patent (Clutch mechanism) ->