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:
Jan. 25, 1983
Filed:
Feb. 25, 1981
Applicant:
Inventors:
William C Griffith, Jr, Fountain Inn, SC (US);
Charles E Brocklehurst, Fountain Inn, SC (US);
Assignee:
Opelika Manufacturing Corporation, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D05B / ;
U.S. Cl.
CPC ...
112281 ;
Abstract
The pointed tip of a sewing machine needle is immersed in a liquid lubricant as it reaches the lower end of its downward stroke through the material being sewn, so as to coat the tip of the needle with a lubricant and reduce the friction and therefore the heat generated by the friction between the needle and the material being sewn.