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:
Jul. 20, 2010
Filed:
Dec. 26, 2007
Applicant:
Robert F. Miller, Lafayette, CA (US);
Inventor:
Robert F. Miller, Lafayette, CA (US);
Assignee:
Pacific Roller Die Company, Inc., Hayward, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 11/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Modified-profile metal strips, and annular and spiral metal pipes and other products formed from such strips. The strips comprise a plurality of spaced longitudinal ribs of size and transverse location selected to increase the strength of a given thickness or gauge of the strip and the associated strength of a product formed from the strip.