Combined quick-change filter cartridge and head

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Information

Patent Grant
D306754

References
Source

Patent Number
D306,754
Date Filed
Thursday, December 3, 1987
37 years ago
Date Issued
Tuesday, March 20, 1990
34 years ago

Inventors
Original Assignees
- Cuno Incorporated
Examiners
- Lucas; Susan J.
- Tung; M. H.
Agents
- Weingram & Zall

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- D23 207-210
- 210 136
- 210 238
- 210 282
- 210 234
- 210 440
- 210 444
- 210 446
- 210 448
- 210 457
- 210 492
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a combined quick-change filter cartridge and head, as shown and described.

US Referenced Citations (10)

Number	Name	Date	Kind
D188688	Sicard	Aug 1960
D199075	Kudlaty	Sep 1964
D199139	Kudlaty	Sep 1964
D220263	Hughes	Mar 1971
D251380	Casamitjana	Mar 1979
D295438	Bray et al.	Apr 1988
1624526	Bohmsack	Apr 1927
2955712	Gutkowski	Oct 1960
3237770	Humbert, Jr.	Mar 1966
4192750	Elfes et al.	Mar 1980

Non-Patent Literature Citations (1)

Entry
Brookstone Catalogue Advertisement item Water Filter System, Jan. 1986, p. 42.

Continuation in Parts (1)

	Number	Date	Country
Parent	822548	Jan 1986