Acoustical ceiling panel

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Information

Patent Grant
D261435

References
Source

Patent Number
D261,435
Date Filed
Thursday, September 27, 1979
45 years ago
Date Issued
Tuesday, October 20, 1981
43 years ago

Inventors
- Mark R. Weitzman
- Jared R. Kies
Original Assignees
- OWENS CORNING
Examiners
- Word; A. Hugo
Agents
- Hudgens; Ronald C.
- Cloutier; Philip R.
- Rose; Paul J.

US Classifications
- D25 - Building units and construction elements
Field of Search
- US
- D92 25
- D25 80
- D25 92
- D25 97
- 052 315
- 052 316
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an acoustical ceiling panel, substantially as shown.

US Referenced Citations (3)

Number	Name	Date	Kind
D79517	Haley	Oct 1929
D222855	Kamrath et al.	Jan 1972
D244803	Kies	Jun 1977