USD243013SExpiredUtility

Rolling straight edge

73
Individually held — no corporate assignee on recordPriority: Feb 15, 1974Filed: Feb 15, 1974Granted: Jan 11, 1977
Est. expiryFeb 15, 1994(expired)· nominal 20-yr term from priority
Inventors:Douglas F. JonesEugene F. Costa
73
PatentIndex Score
18
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a rolling straight edge, as shown.

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