USD337926SExpiredUtility

Breaker tool for hanging file frame rails

34
Individually held — no corporate assignee on recordPriority: Sep 13, 1991Filed: Sep 13, 1991Granted: Aug 3, 1993
Est. expirySep 13, 2011(expired)· nominal 20-yr term from priority
Inventors:Donald J. PolakKenneth E. Mcdonald
34
PatentIndex Score
3
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a breaker tool for hanging file frame rails, as shown and described.

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