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.

Date of Patent:
Aug. 17, 2010

Filed:

Dec. 03, 2003
Applicant:

Eric C. Erike, Mesa, AZ (US);

Inventor:

Eric C. Erike, Mesa, AZ (US);

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21D 7/13 (2006.01); C21D 9/08 (2006.01); C21D 1/42 (2006.01);
U.S. Cl.
CPC ...
Abstract

An apparatus () includes a low-carbon steel tube (). The low-carbon steel tube () yields plastically more than about 5% before fracturing at temperatures down to about −40° C. when stress is applied to the low-carbon steel tube sufficient to cause the low carbon steel tube to so yield.


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