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:
Oct. 20, 2015
Filed:
Apr. 15, 2009
Raymond G. Kairawicz, Watertown, CT (US);
Richard V. Chamberlain, Ii, Fairfax Station, VA (US);
Phillip E. Partin, Grafton, MA (US);
Yanning Song, Chelmsford, MA (US);
Per Onnerud, Framingham, MA (US);
Raymond G. Kairawicz, Watertown, CT (US);
Richard V. Chamberlain, II, Fairfax Station, VA (US);
Phillip E. Partin, Grafton, MA (US);
Yanning Song, Chelmsford, MA (US);
Per Onnerud, Framingham, MA (US);
Boston-Power, Inc., Westborough, MA (US);
Abstract
A battery includes a cell casing that has recessed portion on a major surface of the casing, the recessed portion being substantially planar and bordering a remainder of the major surface at ridge portions on at least three sides of the recessed portion, whereby the recessed portion, the ridge portions, and the remainder of the major surface cooperate under an increase of gauge pressure to cause a plane defined by a boundary between the ridge portions and the remainder of the major surface to move.