USD351804SExpiredUtility

Stress:strain materials testing instrument

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Assignee: INSTRON CORPPriority: Mar 18, 1993Filed: Mar 18, 1993Granted: Oct 25, 1994
Est. expiryMar 18, 2013(expired)· nominal 20-yr term from priority
Inventors:Charles W. Kellstedt, Jr.Joel M. LiebleinRichard J. Mahoney, IiiPaulo A. MartinGraham MeadRonald K. PulsiferDavid W. Scanlon
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PatentIndex Score
4
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a stress:strain materials testing instrument, as shown.

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