USD245829SExpiredUtility

Helical spring retracting tool

Assignee: COWAN ARNOLDPriority: May 20, 1976Filed: May 20, 1976Granted: Sep 20, 1977
Est. expiryMay 20, 1996(expired)· nominal 20-yr term from priority
Inventors:Arnold A. Cowan
36
PatentIndex Score
2
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a helical spring retracting tool, as shown and described.

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