USD538319SExpiredUtility

Sight glass

37
Assignee: BRANHAM CORPPriority: Jul 27, 2005Filed: Jul 27, 2005Granted: Mar 13, 2007
Est. expiryJul 27, 2025(expired)· nominal 20-yr term from priority
Inventors:Curtis Sprague
37
PatentIndex Score
4
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a sight glass, as shown and described.

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