USD254310SExpiredUtility

Diazo developer apparatus

27
Assignee: GAF CORPPriority: Dec 21, 1977Filed: Dec 21, 1977Granted: Feb 26, 1980
Est. expiryDec 21, 1997(expired)· nominal 20-yr term from priority
Inventors:David L. Zick
27
PatentIndex Score
1
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a diazo developer apparatus, substantially as shown and described.

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