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:
Jun. 20, 2006
Filed:
May. 14, 2004
Applicants:
Donald D. Halabisky, Tacoma, WA (US);
William C. Johnston, Jr., Puyallup, WA (US);
Inventors:
Donald D. Halabisky, Tacoma, WA (US);
William C. Johnston, Jr., Puyallup, WA (US);
Assignee:
Weyerhaeuser Company, Federal Way, WA (US);
Primary Examiner:
Int. Cl.
CPC ...
D21H 15/04 (2006.01); D21H 27/38 (2006.01); D21H 27/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
An insulating paperboard contains at least one layer of cellulose fibers. The one layer is at least partially composed of bulky fibers. The paperboard is sufficiently insulated to provide a hot water ΔT across the paperboard of at least 0.7° C.±2.3° C. per 0.1 mm of caliper. The paperboard may be embossed to decrease surface transmission of heat. A hot cup may be produced from the insulating paperboard.