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Patent Grant
D248485

References
Source

Patent Number
D248,485
Date Filed
Monday, April 18, 1977
48 years ago
Date Issued
Tuesday, July 11, 1978
46 years ago

Inventors
- Richard Strauss
- Philip C. Kimball
Original Assignees
- Whatman Reeve Angel Limited
Examiners
- Largen; James R.
Agents
- Crowley; Richard P.

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- D23 1-4
- 210 94
- 210 444
- 210 446-448
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for the filter, as shown and described.

US Referenced Citations (9)

Number	Name	Date	Kind
D195296	Willinger	May 1963
2704544	Ryan	Mar 1955
2879784	Cutter	Mar 1959
3002870	Belgrade et al.	Oct 1961
3003500	Barton et al.	Oct 1961
3772857	Jackson et al.	Nov 1973
3815744	Vanderpoel	Jun 1974
4018687	Zahour	Apr 1977
4062781	Strauss et al.	Dec 1977