Thermowell

- PGI International, Ltd.
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a side view of a thermowell showing my new design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a side view of a second embodiment of a thermowell, it being understood that the broken lines are for illustrative purposes only and form no part of the claimed design; and,

FIG. 6 is a perspective view of FIG. 5.

Claims

The ornamental design for a thermowell, as shown and described.

Referenced Cited
U.S. Patent Documents
2486936 November 1949 Fergus
2947680 August 1960 Preiser
4137768 February 6, 1979 Tushie et al.
4324945 April 13, 1982 Sivyer
4510343 April 9, 1985 Sivyer
4749415 June 7, 1988 Barton
4778538 October 18, 1988 Lyman
5048323 September 17, 1991 Stansfeld et al.
5111691 May 12, 1992 John et al.
6059453 May 9, 2000 Kempf et al.
6231230 May 15, 2001 Baldock et al.
Foreign Patent Documents
647 867 February 1985 CH
91 00 632 April 1991 DE
60 166831 August 1985 JP
Patent History
Patent number: D461173
Type: Grant
Filed: Nov 22, 2000
Date of Patent: Aug 6, 2002
Assignee: PGI International, Ltd. (Houston, TX)
Inventors: Spencer M. Nimberger (Houston, TX), Kevin J. Cessac (Houston, TX)
Primary Examiner: Ted Shooman
Assistant Examiner: Selina Sikder
Attorney, Agent or Law Firms: Loren G. Helmreich, Browning Bushman P.C.
Application Number: 29/133,104
Classifications
Current U.S. Class: Miscellaneous (D13/199)
International Classification: 1303;