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. 27, 1988
Filed:
Aug. 08, 1986
Applicant:
Inventors:
Craig F Lamphere, Woodbury, MN (US);
Jeffry S Shaw, Fridley, MN (US);
Leonard R Swanson, Woodbury, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65D / ; B65D / ;
U.S. Cl.
CPC ...
524 13 ; 1621572 ; 1621573 ; 1621574 ; 1621576 ; 162162 ; 1621641 ; 1621646 ; 162165 ; 162166 ; 162167 ; 206 / ;
Abstract
There is provided a composite sheet material for fabrication of storage envelopes for magnetic recording media, e.g., floppy diskettes. The material has a low debris count, and a fast rate of static decay as well as high stiffness and strength.