USD307740SExpiredUtility

Programmable controller

67
Assignee: HITACHI LTDPriority: Jul 21, 1986Filed: Aug 22, 1986Granted: May 8, 1990
Est. expiryJul 21, 2006(expired)· nominal 20-yr term from priority
Inventors:Masato ShibayamaKazuyuki TsuburayaMichiaki KotsukaTakayuki OshigaKatsuhiro Fujiwara
67
PatentIndex Score
12
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a programmable controller, as shown.

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