Ceiling panel or similar article

- Conwed Corporation

FIG. 1 is a plan view of a ceiling panel showing our new design.

FIG. 2 is an end view of FIG. 1.

Referenced Cited
U.S. Patent Documents
1804753 May 1931 Douglas
Other references
  • Sweet's Architectural Catalog File, 1977, Section 9.1/Una, p. 8, "Butte" panel illustration.
Patent History
Patent number: D253911
Type: Grant
Filed: Jun 13, 1977
Date of Patent: Jan 8, 1980
Assignee: Conwed Corporation (St. Paul, MN)
Inventors: Miner H. Hendrickson (Minneapolis, MN), David W. Akerson (St. Paul, MN)
Primary Examiner: A. Hugo Word
Attorney: William D. Lucas
Application Number: 5/806,084
Current U.S. Class: D25/97; D25/80
International Classification: D2501;