USD250512SExpiredUtility

Lens calibration gauge

45
Assignee: YOUNGER MFG COMPANYPriority: Oct 28, 1976Filed: Oct 28, 1976Granted: Dec 12, 1978
Est. expiryOct 28, 1996(expired)· nominal 20-yr term from priority
Inventors:Irving RipsKemper H. Vine
45
PatentIndex Score
4
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a lens calibration gauge, as shown and described.

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