Combined vacuum pump and control valve therefor

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Information

Patent Grant
D271586

References
Source

Patent Number
D271,586
Date Filed
Monday, October 19, 1981
42 years ago
Date Issued
Tuesday, November 29, 1983
40 years ago

Inventors
- Yoji Ise
Original Assignees
- Myotoku Ltd.
Examiners
- Burke; Wallace R.
- Wilder; Lynn
Agents
- Biebel, French & Nauman

US Classifications
- D15 - Machines not elsewhere specified
Field of Search
- US
- 015 7
- 015 9
- 294 641
- 294 642
- 294 643
- 294 655
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a combined vacuum pump and control valve therefor, substantially as shown and described.

Priority Claims (1)

Number	Date	Country	Kind
56-18295	Apr 1981	JPX

US Referenced Citations (3)

Number	Name	Date	Kind
D215883	Svenson	Nov 1969
3759560	Yoda et al.	Sep 1973
3785691	Sperry	Jan 1974

Foreign Referenced Citations (1)

Number	Date	Country
52-446905	Apr 1977	JPX