USD253112SExpiredUtility

Photographic enlarging apparatus

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Assignee: DURST AG FABRIK FOTOTECHNISCHER APPARATEPriority: Apr 19, 1977Filed: Sep 30, 1977Granted: Oct 9, 1979
Est. expiryApr 19, 1997(expired)· nominal 20-yr term from priority
Inventors:Wilmuth Pramstraller
18
PatentIndex Score
0
Cited by
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References
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Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a photographic enlarging apparatus, as shown.

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