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.

Date of Patent:
Oct. 20, 1992

Filed:

Oct. 24, 1990
Applicant:
Inventors:

Robert Hollis, San Leandro, CA (US);

John E Lewis, Rancho Palos Verdes, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
738651 ; 36441331 ;
Abstract

An ascent rate meter for a SCUBA diver gauge including sensor means for measuring time and pressure and a processor for combining that data according to a mathematical equation and displaying the estimated ascent rate on the display with a particular indicia.


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