First stage diving regulator

Follow

Information

Patent Grant
D283740

References
Source

Patent Number
D283,740
Date Filed
Monday, March 21, 1983
41 years ago
Date Issued
Tuesday, May 6, 1986
38 years ago

Inventors
- Carl J. Wiesinger II
- John McMunn
Original Assignees
- U.S.D. CORP
Examiners
- Largen; James R.
Agents
- Bethel; George F.
- Bethel; Patience K.

US Classifications
- D29 - Equipment for safety, protection, and rescue
- D23 - Environmental heating and cooling
Field of Search
- US
- D23 19-22
- D29 6
- D29 7
- D29 8
- 128 20127
- 128 205
- 128 24
- 137 494
- 137 506
- 137 812
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a first stage diving regulator, as substantially shown.

US Referenced Citations (17)

Number	Name	Date	Kind
D186925	Zdara et al.	Dec 1959
D195070	Lecocq	Apr 1963
D195803	Elder	Jul 1963
D202318	Shugarman	Sep 1965
D202319	Shugarman	Sep 1965
D218921	Lecocq	Oct 1970
D234637	Flynn	Mar 1975
D236655	Murphy	Sep 1975
2939471	Fay	Jun 1960
3147761	Lecocq	Sep 1964
3216416	Mitchell	Nov 1965
3495607	Shugarman	Feb 1970
3610236	Smilg	Oct 1971
3920033	Ferrando	Nov 1975
4219017	Shamlian et al.	Aug 1980
4230140	Hart	Oct 1980
4266538	Ruchti	May 1981