USD277465SExpiredUtility

Portable emergency alarm transmitter

88
Assignee: LIFELINE SYSTEMS INCPriority: Jan 10, 1983Filed: Jan 10, 1983Granted: Feb 5, 1985
Est. expiryJan 10, 2003(expired)· nominal 20-yr term from priority
Inventors:John B. Macdonald
88
PatentIndex Score
26
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a portable emergency alarm transmitter, as shown.

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