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:
Sep. 10, 1991
Filed:
Dec. 15, 1989
Applicant:
Inventors:
Katsuo Hiratsuka, Tochigi, JP;
Imao Yazaki, Utsunomiya, JP;
Koichi Nakayama, Utsunomiya, JP;
Masanori Ayuta, Tochigi, JP;
Assignee:
SSMC Inc., Edison, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D05B / ;
U.S. Cl.
CPC ...
112110 ; 112112 ;
Abstract
A device for use in a button sewing machine which uses a wire of elastic material for maintaining looseness to that portion of the needle thread between a button and material to which the button is to be sewn while preventing the needle thread from being pulled out of the eye of the needle and at the same time preventing the wire from being warped.