USD262864SExpiredUtility

Screw anchor

60
Assignee: ILLINOIS TOOL WORKSPriority: Oct 9, 1979Filed: Oct 9, 1979Granted: Feb 2, 1982
Est. expiryOct 9, 1999(expired)· nominal 20-yr term from priority
Inventors:John N. SchaviljeDavid C. Boyer
60
PatentIndex Score
6
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a screw anchor, as shown.

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