USD243748SExpiredUtility

Interval signalling timer

44
Assignee: TELETYMER INCPriority: Jul 3, 1975Filed: Jul 3, 1975Granted: Mar 22, 1977
Est. expiryJul 3, 1995(expired)· nominal 20-yr term from priority
Inventors:Daniel F. Krause, Sr.
44
PatentIndex Score
5
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an interval signalling timer, as shown and described.

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