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:
Jan. 01, 1985
Filed:
Dec. 10, 1982
Applicant:
Inventor:
Leslie L Martin, Jr, Saginaw, MN (US);
Assignee:
James River-Dixie/Northern, Inc., Norwalk, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
D21H / ;
U.S. Cl.
CPC ...
162146 ; 162218 ; 162224 ;
Abstract
Heat resistant ovenable paperboard containers are formed from wet sheets consisting essentially of cellulose fibers and containing 50 to 100 weight percent water based on the dry weight of the fibers by hot pressing in a mold at 200.degree. to 400.degree. F. Heat resistant synthetic fibers may be incorporated in wood pulp to produce the wet sheet and impart improved burst strength to the finished product.