USD270574SExpiredUtility
Scaffold spring wedge
Assignee: GUEST KEEN & NETTLEFOLDS AUST LTDPriority: Mar 7, 1981Filed: Aug 20, 1981Granted: Sep 13, 1983
Est. expiryMar 7, 2001(expired)· nominal 20-yr term from priority
Inventors:Allan Black
93
PatentIndex Score
51
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a spring wedge for use in builders scaffolding, as shown.
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