Aspirating pipe fitting

- Fumex AB
Description

FIG. 1 is a front elevational view of an aspirating pipe fitting showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side perspective view thereof, the right side being a mirror image thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken outline which defines the bounds of the inside surface of the claim in FIG. 1 forms no part thereof.

Referenced Cited
U.S. Patent Documents
D254564 March 25, 1980 Johnson
D283833 May 13, 1986 Macintyre
D345413 March 22, 1994 Brown
1018021 February 1912 Willetts
1025642 May 1912 Perkins
1413624 April 1922 Spery
2011721 August 1935 Luff
4822080 April 18, 1989 Darish
Foreign Patent Documents
864180 April 1941 FRX
122737 February 1919 GBX
Patent History
Patent number: D406640
Type: Grant
Filed: Mar 11, 1996
Date of Patent: Mar 9, 1999
Assignee: Fumex AB (Skelleftea)
Inventor: Johan Gustafsson (Umea)
Primary Examiner: Ted Shooman
Assistant Examiner: C. Tuttle
Law Firm: Pillsbury Madison & Sutro LLP
Application Number: 0/51,473
Classifications
Current U.S. Class: Elbow Or With Flow Direction Change (D23/263)
International Classification: 2301;