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:
May. 22, 2007
Filed:
Jun. 13, 2003
Robert C. Fitzer, North Oaks, MN (US);
G. Marco Bommarito, Stillwater, MN (US);
Richard L. Crone, Woodbury, MN (US);
Jeffrey W. Mccutcheon, Baldwin, WI (US);
Kevin W. Anderson, St. Paul, MN (US);
Russell D. Birkholz, Maplewood, MN (US);
Zhiming Zhou, Woodbury, MN (US);
Robert C. Fitzer, North Oaks, MN (US);
G. Marco Bommarito, Stillwater, MN (US);
Richard L. Crone, Woodbury, MN (US);
Jeffrey W. McCutcheon, Baldwin, WI (US);
Kevin W. Anderson, St. Paul, MN (US);
Russell D. Birkholz, Maplewood, MN (US);
Zhiming Zhou, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A shock indicator is described comprising (A) a base having a first side and a second side; (B) an indicator associated with the first side of the base, the indicator comprising a plurality of indicator subparts, the subparts comprising solid material arranged (i) in a first configuration when the shock indicator is in a first state prior to a shock event, and (ii) in a second configuration when the shock indicator is in a second state following a shock event; and (C) means associated with the second side of the base for attachment of the shock indicator to a surface. A method of manufacture is also provided.