USD312653SExpiredUtility

Electrostatic copying machine

56
Assignee: RICOH CO LTDPriority: Apr 1, 1988Filed: Sep 30, 1988Granted: Dec 4, 1990
Est. expiryApr 1, 2008(expired)· nominal 20-yr term from priority
Inventors:Youko NakamuraKoji HikawaYuji Suzuki
56
PatentIndex Score
8
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for electrostatic copying machine, as shown and described.

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