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:
Oct. 16, 1984
Filed:
Mar. 02, 1982
Applicant:
Inventor:
Roderick P Tomlinson, Glen Waverley, AU;
Assignees:
Lockley Services Pty. Ltd., Victoria, AU;
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ; B41M / ;
U.S. Cl.
CPC ...
346205 ; 283 98 ; 283901 ; 428 29 ; 428199 ; 428916 ; 346202 ; 346204 ; 346206 ;
Abstract
The invention relates to a developable surface comprising a carrier layer having thereon at least two deposits of one or more invisible inks in adjacent or overlapping relationship, said deposits in the developed state being unresolvable.
Tomlinson, Roderick. (1984). Sheet printed with invisible inks, developers and erasure compounds _for (U.S. Patent No. 4477593). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4477593
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile