The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 6840100 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 11, 2005

Filed:

Sep. 04, 2003
Applicant:

Richard A. Wotiz, Saratoga, CA (US);

Inventor:

Richard A. Wotiz, Saratoga, CA (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F 1700 ; G01F 2300 ; A45F 316 ; B67D 564 ;
U.S. Cl.
CPC ...
Abstract

A liquid level measuring system for a personal hydration pack using capacitive sensing pads located outside of the reservoir. Variation in the liquid level due to movement of the pack is used advantageously to increase the resolution of the measurement. An indicator shows both the liquid level and the time remaining before reservoir depletion.


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