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, 1985
Filed:
Oct. 26, 1983
Applicant:
Inventor:
Peter H Stephens, San Francisco, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B43L / ;
U.S. Cl.
CPC ...
33 1 / ;
Abstract
A drawing tool comprises a pair of light transmitting screens, a ground beneath each screen, and a former or tip under each screen adapted to either add material to the ground or subtract material from the ground to create a design thereon. The designs are viewed as a composite three-dimensional image and can be permanently fixed on a removable plate.