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:
Dec. 25, 1979
Filed:
May. 10, 1978
Applicant:
Inventor:
Harvell M Smith, Conifer, CO (US);
Assignee:
Johns-Manville Corporation, Denver, CO (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01B / ;
U.S. Cl.
CPC ...
30293 ; 3317 / ; 83 32 ;
Abstract
Tool guide for a knife-edged hand tool for use in the fabrication of an air duct transition from a sheet of fibrous material, said sheet having transversely extending folding grooves therein, for cutting from said panel a wedge-shaped piece of material of predetermined size.
Smith, Harvell. (1979). Cutting guide tool for fabrication of air duct transitions and method of (U.S. Patent No. 4179808). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4179808
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile