Ceiling construction

• US 3,030,670 A
• Filed: 07/15/1958
• Issued: 04/24/1962
• Est. Priority Date: 07/15/1958
• Status: Expired due to Term

• Current Assignee: Riley Stoker Corporation (Babcock Power Incorporated)
• Original Assignee: Donald W. Bigelow
• Inventors: Bigelow, Donald W.
• Application Number:
  US03/748,622
• Time in Patent Office: 1,379 Days
• US Class Current: 52/650.3
• CPC Class Codes: E04B 9/26 by means of snap action of elastically deformable elements held against the underside of the supporting construction
• CPC Class Codes: E04B 9/32 Translucent ceilings, i.e. permitting both the transmission and diffusion of light E04B9/303 and E04B9/34 takes precedence; lighting F21

Claims