Valve diaphragm

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Information

Patent Grant
D290640

References
Source

Patent Number
D290,640
Date Filed
Tuesday, September 18, 1984
40 years ago
Date Issued
Tuesday, June 30, 1987
37 years ago

Inventors
- Gustav A. Andersson
Original Assignees
- Frigoscandia Contracting AB
Examiners
- Largen; James R.
Agents
- Browdy and Neimark

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- D23 19-22
- 251 3001
- 251 45
- 251 331
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a valve diaphragm, as shown.

Priority Claims (1)

Number	Date	Country	Kind
84-0929	Mar 1984	SEX

US Referenced Citations (11)

Number	Name	Date	Kind
D268048	Ueda	Feb 1983
D268049	Ueda	Feb 1983
2305151	Fields	Dec 1942
2531824	Paille	Nov 1950
3020020	Boteler	Feb 1962
3083943	Stewart, Jr. et al.	Apr 1963
3502300	Harris	Mar 1970
3511472	Zimmerman	May 1970
3655163	Ruttan et al.	Apr 1972
4014514	Priese	Mar 1977
4477051	Ben-Yehuda	Oct 1984