USD323451SExpiredUtility

Combined cutting and piercing tool for opening a caulking tube

34
Individually held — no corporate assignee on recordPriority: Sep 19, 1988Filed: Sep 19, 1988Granted: Jan 28, 1992
Est. expirySep 19, 2008(expired)· nominal 20-yr term from priority
Inventors:George E. Preston
34
PatentIndex Score
4
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a combined cutting and piercing tool for opening a caulking tube, as shown.

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