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:
Feb. 05, 1980
Filed:
May. 23, 1977
Applicant:
Inventor:
Perry E Burton, Fountain Inn, SC (US);
Assignee:
Opelika Manufacturing Corp., Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D05B / ;
U.S. Cl.
CPC ...
112273 ; 250233 ;
Abstract
The rate of speed of thread being fed to a sewing machine needle is monitored so that when the thread speed decreases, indicating one or more malfunctions in the sewing operation, the operation of the sewing machine is automatically terminated.