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. 22, 1985
Filed:
Feb. 21, 1984
Applicant:
Inventor:
Thaddeus J Zylbert, Morris Plains, NJ (US);
Assignee:
The Singer Company, Stamford, CT (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D05B / ;
U.S. Cl.
CPC ...
112235 ; 1121 / ;
Abstract
A presser foot with a grooved sole plate for use in the formation of buttonholes on a sewing machine is pivotally mounted on a screw with which the foot can be moved laterally relative to the shank to position a groove dividing ridge with respect to a sewing needle.
Zylbert, Thaddeus. (1985). Buttonhole foot and shank assembly (U.S. Patent No. 4494471). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4494471
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile