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. 16, 1989
Filed:
Oct. 01, 1987
Applicant:
Inventors:
Warren D Slafer, Arlington, MA (US);
Milford B Kime, Cambridge, MA (US);
Assignee:
Polaroid Corporation, Cambridge, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
235487 ; 235491 ; 350-363 ; 369 94 ;
Abstract
Various configurations of rectangular optical information storage card include an information surface arranged in a generally concentric and/or spiral format so that the information surface can be read as the card is rotated. Such configurations can include an embossed layer to form an information surface.