Signals and indicators – Indicators – Impact type
Reexamination Certificate
2007-05-22
2007-05-22
Smith, Richard (Department: 2859)
Signals and indicators
Indicators
Impact type
Reexamination Certificate
active
10517685
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.
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Anderson Kevin W.
Birkholz Russell D.
Bommarito G. Marco
Crone Richard L.
Fitzer Robert C.
3M Innovative Properties Company
Reis Travis
Smith Richard
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