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.:
Date of Patent:
May. 03, 1977
Filed:
May. 19, 1976
Applicant:
Inventor:
Walter E Palmer, San Francisco, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
1161 / ; 73 73 ;
Abstract
A plant moisture indicator is provided comprising a piece of wood cut across the grain with a moisture retardant substance applied to one side of the indicator, whereby the indicator will tend to bend in the presence of moisture and straighten up when dry. Preferably the device is constructed in the form of a U having two such opposed members, whereby the U will close in the presence of moisture and open in the absence of moisture.