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:
Mar. 31, 1987
Filed:
Feb. 28, 1986
Applicant:
Inventors:
Donald F Kennedy, Del Mar, CA (US);
Loren R Wilson, Vista, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C / ;
U.S. Cl.
CPC ...
33379 ;
Abstract
A polyfunctional spirit-level comprising a four-sided, elongated spirit-level body containing a bubble tube, axially disposed therein and adapted to be viewed from above when using three of the sides, two sides adapted for use as a level and two side adapted for use as a declination indicator for different slopes of sewer lines, said level small enough to be slipped in one's pocket and carried on one's person.
Kennedy, Donald. (1987). Polyfunctional spirit-level (U.S. Patent No. 4653193). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4653193
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile