Liquid level gauge
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Description
The broken lines shown on the drawings represent unclaimed portions of the design and form no part thereof.
Claims
The ornamental design for a liquid level gauge, as shown and described.
Referenced Cited
U.S. Patent Documents
3470907 | October 1969 | Shockey |
4641122 | February 3, 1987 | Hennequin |
4972875 | November 27, 1990 | Beer et al. |
RE34679 | August 2, 1994 | Ritzenthaler et al. |
5762049 | June 9, 1998 | Jones et al. |
D419091 | January 18, 2000 | Pattison et al. |
D557157 | December 11, 2007 | Sitnikov |
D611859 | March 16, 2010 | Gismervik |
D611860 | March 16, 2010 | Gismervik |
D662000 | June 19, 2012 | Ross et al. |
D662001 | June 19, 2012 | Ross et al. |
Patent History
Patent number: D668572
Type: Grant
Filed: Jan 17, 2012
Date of Patent: Oct 9, 2012
Assignee: Rochester Gauges, Inc. (Dallas, TX)
Inventor: Gagik Farmanyan (Plano, TX)
Primary Examiner: Antoine D Davis
Attorney: Alvin R. Wirthlin
Application Number: 29/411,163
Type: Grant
Filed: Jan 17, 2012
Date of Patent: Oct 9, 2012
Assignee: Rochester Gauges, Inc. (Dallas, TX)
Inventor: Gagik Farmanyan (Plano, TX)
Primary Examiner: Antoine D Davis
Attorney: Alvin R. Wirthlin
Application Number: 29/411,163
Classifications
Current U.S. Class:
Liquid Quantity Level (D10/101)