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. 30, 1980
Filed:
Mar. 07, 1980
Applicant:
Inventor:
Ralph E Johnson, Convent Station, NJ (US);
Assignee:
The Singer Company, Stamford, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
D05B / ;
U.S. Cl.
CPC ...
112255 ;
Abstract
A thread snubbing device for a sewing machine is provided with a cage which attaches to a needle clamp, and with a shoe of predetermined mass which is loosely confined by the cage wherein it is caused by inertia and engagement with the cage to be moved against a length of needle thread between the shoe and clamp to apply a snubbing action thereto during loop seizure and loop formation.
Johnson, Ralph. (1980). Inertial thread snubbing device for a sewing machine (U.S. Patent No. 4241679). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4241679
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile