USD315690SExpiredUtility

Instrument for testing the burst strength of sheet material

Assignee: TESTING MACHINES INCPriority: May 11, 1989Filed: May 11, 1989Granted: Mar 26, 1991
Est. expiryMay 11, 2009(expired)· nominal 20-yr term from priority
35
PatentIndex Score
3
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design of an instrument for testing the burst strength of sheet material, as shown and described.

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