Disposable faceshield

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Information

Patent Grant
D311978

References
Source

Patent Number
D311,978
Date Filed
Friday, February 5, 1988
36 years ago
Date Issued
Tuesday, November 6, 1990
34 years ago

Inventors
- Richard T. Metcalfe
Original Assignees
- AMERICAN OPTICAL CORPORATION
Examiners
- Ansher; Bernard
- Tuttle; C.
Agents
- Fishman, Dionne & Cantor

US Classifications
- D29 - Equipment for safety, protection, and rescue
- D28 - Cosmetic products and toilet articles
Field of Search
- US
- D28 9
- D29 7
- D29 8
- D29 16-18
- D29 99
- D02 234
- D02 244-246
- D02 261
- 002 9-12
- 002 171
- 002 206
- 128 20624
- 128 863
- 128 206
- D16 100
- D16 102
- D16 107
- D16 110-112
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a disposable faceshield, as shown.

US Referenced Citations (14)

Number	Name	Date	Kind
D190461	Worfold	May 1961
D194221	Zbikowski	Dec 1962
D200834	William	Apr 1965
D227819	Kotzar	Jul 1973
D228700	Gager, Jr.	Oct 1973
D254520	Amirault	Mar 1980
D254638	Bay, Jr.	Apr 1980
2033691	Douglass	Mar 1936
2774970	DuBois	Dec 1956
3152588	Rogowski	Oct 1964
3772707	Alosi et al.	Nov 1973
3828366	Conrad et al.	Aug 1974
4674136	Ladewig	Jun 1987
4701129	Hazard	Oct 1987

Foreign Referenced Citations (2)

Number	Date	Country
R151181	Feb 1956	DEX
779016	Jan 1935	FRX