Combined extraction and feeding articulated conduit arm unit for gas

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Information

Patent Grant
D361836

References
Source

Patent Number
D361,836
Date Filed
Tuesday, February 25, 1992
32 years ago
Date Issued
Tuesday, August 29, 1995
29 years ago

Inventors
- Hans T. Engstrom
Original Assignees
- AB Ph. Nederman & Co.
Examiners
- Lichtenstein; Lisa P.
Agents
- Foley & Lardner

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- D23 387
- D23 386
- 285 226
- 285 903
- 454 65
- 454 63
- 454 903
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a combined extraction and feeding articulated conduit arm unit for gas, as shown.

Priority Claims (1)

Number	Date	Country	Kind
91-1669	Aug 1991	SEX

US Referenced Citations (4)

Number	Name	Date	Kind
3820752	Oram	Jun 1974
4682749	Strater	Jul 1987
4699046	Bellieni	Oct 1987
4860644	Kohl et al.	Aug 1989

Foreign Referenced Citations (2)

Number	Date	Country
2525930	Nov 1983	FRX
3004392	Apr 1989	DEX

Non-Patent Literature Citations (1)

Entry
Nederman, "The Factory in Helsingborg, Sweden," Product Brochure, May 1, 1990.