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. 17, 1991
Filed:
May. 02, 1990
Applicant:
Inventors:
Willem Ooms, Cookeville, TN (US);
Frank R Moss, Cookeville, TN (US);
Jonnie L Key, Algood, TN (US);
Robert E Ponter, Cookeville, TN (US);
David L Hedgecoth, Cookeville, TN (US);
Assignee:
Porelon, Inc., Cookeville, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41K / ;
U.S. Cl.
CPC ...
428159 ; 101333 ; 264112 ; 4283155 ; 4283159 ; 4283213 ; 428909 ;
Abstract
An improved microporous marking structure has a layer of a microporous material containing a marking fluid and an absorbent backing layer superposed thereon which shortens processing time by absorbing excess marking fluid from the microporous layer. The marking structure according to the invention may be advantageously used to make a self-inking hand stamp. No lengthy step for removing excess ink from the microporous layer is needed.