USD377949SExpiredUtility

Digital/analog teaching clock

51
Assignee: WOLDENBERG RICHARDPriority: Sep 14, 1995Filed: Sep 14, 1995Granted: Feb 11, 1997
Est. expirySep 14, 2015(expired)· nominal 20-yr term from priority
Inventors:Richard WoldenbergJane WoldenbergTirza ErnstBarbara Plain
51
PatentIndex Score
10
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a digital/analog teaching clock, as shown.

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