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:
May. 23, 1978
Filed:
Sep. 22, 1975
Applicant:
Inventors:
Calvin E Kelly, Murrysville, PA (US);
John F Lang, Homestead, PA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B44B / ; B41J / ;
U.S. Cl.
CPC ...
400134 ; 101-4 ; 101 18 ;
Abstract
A method and apparatus are disclosed for permanently marking a metal workpiece. The apparatus comprises a support for supporting the apparatus in contact with the workpiece. A stamp holding means adapted to receive a predetermined number of stamps engages the support and carries the stamps. The method comprises the steps of engaging the stamp holder with the support. Placing the support on the workpiece. Striking the stamps until the characters are at the desired depth and then removing the stamp holder from the workpiece.