Ceiling panel hold down clip

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Information

Patent Grant
D421897

References
Source

Patent Number
D421,897
Date Filed
Friday, February 21, 1997
29 years ago
Date Issued
Tuesday, March 28, 2000
25 years ago

Inventors
Original Assignees
- Keel Manufacturing, Inc.
Examiners
- Bullock; B. J.
Agents
- Sokol Law Office
- Sokol; Jeffrey S.

US Classifications
- D08 - Tools and hardware
Field of Search
- US
- D08 394
- D08 395
- D08 396
- 052 4891
- 052 563
- 052 772
- 052 773
- 052 712
- 052 714
International Classifications
- 0808
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a ceiling panel hold down clip, as shown and described.

US Referenced Citations (8)

Number	Name	Date	Kind
1793127	Osius	Feb 1931
2638191	Menosky	May 1953
2845154	Duffield	Jul 1958
3815309	Olsen	Jun 1974
3834106	Astedt et al.	Sep 1974
4027454	Schuplin	Jun 1977
4858409	Dunn	Aug 1989
4873809	Paul	Oct 1989

Non-Patent Literature Citations (1)

Entry
Label and picture showing Clamp for suspended ceiling manufactured by Convenience Concepts, Inc. of Addison, Illinois. (date unknown).