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:
Mar. 25, 2003

Filed:

Jun. 23, 2000
Applicant:
Inventors:

Donald C. Wood, Temecula, CA (US);

Todd D. Harman, Long Beach, CA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 3/42 ; G01N 3/48 ; G01N 3/00 ; B23Q 1/700 ;
U.S. Cl.
CPC ...
G01N 3/42 ; G01N 3/48 ; G01N 3/00 ; B23Q 1/700 ;
Abstract

A sand penetrability gauge for golf course bunker sand, having a probe shaft for penetrating into bulk sand, a weight or spring for reproducibly applying force to advance the probe shaft into bulk sand, the probe shaft being movably connected to the weight or spring, and measuring indicia associated with the probe shaft for measuring displacement of the probe shaft, with a cross-sectional area of the probe shaft and the force of the weight or spring selected so that the measuring indicia will provide a displacement measurement when the probe is driven into golf course sand bunker sand.


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