Patent US3109894A successfully refreshed from Google Patents.
US3109894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alarm transmission apparatus and system
Assignee: Individual
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Filing: 1960-02-01
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Granted: 1963-11-05
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Expires: 1980-02-01
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Humphreys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:09
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/26; H04M1/27; H04M1/272; H04M11/00; H04M11/04; H04M11/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
AN APPARATUS FOR USE IN A TELEPHONIC SYSTEM FOR MESSAGE SIGNAL TRANSMISSION OVER TELEPHONE LINES TO A CENTRAL STATION ON OCCURRENCE OF AN ALARM SIGNAL IN A LOCAL ALARM SYSTEM COMPRISING TELEPHONES, TELEPHONE LINES CONNECTING SAID TELEPHONES TO SAID CENTRAL STATION, A LOCAL ALARM SYSTEM FOR GENERATING ALARM SIGNALS WHEN ACTUATED, DETECTING MEANS FOR RECEIVING AN ALARM SIGNAL FROM SAID ALARM SYSTEM, AUDIO MESSAGE TRANSMITTING MEANS RESPONSIVE TO SIGNALS IN SAID DETECTING MEANS FOR TRANSMITTING AUDIO MESSAGES TO TELEPHONES ON SAID TELEPHONE LINES UPON RECEIPT OF A SIGNAL FROM SAID ALARM SYSTEM, MEANS FOR GENERATING DIAL TONES IN SAID TELEPHONES THROUGH SAID TELEPHONE LINES FROM SAID CENTRAL STATION, DISCONNECTING MEANS OPERATIVELY ASSOCIATED WITH SAID MESSAGE TRANSMITTING MEANS FOR DISCONNECTING TELEPHONES AND SAID MESSAGE TRANSMITTING MEANS FROM SAID LINES WHEREBY TELEPHONE DIAL TONES MAY BE ESTABLISHED ON SAID LINES, CONTACTING SIGNAL MEANS FOR EMITTING AN ELECTRICAL SIGNAL OVER SAID LINES TO SIGNAL THE SAID CENTRAL STATION UPON CONNECTION OF SAID CONTACTING SIGNAL MEANS TO SAID TELEPHONE LINES AND RECEIPT OF SAID DIAL TONES, AND MEANS RESPONSIVE TO SAID DIAL TONE FOR CONNECTING SAID CONTACTING SIGNAL MEANS TO SAID TELEPHONE LINE.
Claim 2
Independent Claim
189 words
AN APPARATUS FOR USE IN A TELEPHONIC SYSTEM FOR MESSAGE SIGNAL TRANSMISSION OVER TELEPHONE LINES TO A CENTRAL STATION ON OCCURRENCE OF AN ALARM SIGNAL IN A LOCAL ALARM SYSTEM COMPRISING TELEPHONES, TELEPHONE LINES CONNECTING SAID TELEPHONES TO SAID CENTRAL STATION, A LOCAL ALARM SYSTEM FOR GENERATING ALARM SIGNALS WHEN ACTUATED, DETECTING MEANS FOR RECEIVING AN ALARM SIGNAL FROM SAID ALARM SYSTEM, AUDIO MESSAGE TRANSMITTING MEANS RESPONSIVE TO SIGNALS IN SAID DETECTING MEANS FOR TRANSMITTING AUDIO MESSAGES TO TELEPHONES ON SAID TELEPHONE LINES UPON RECEIPT OF A SIGNAL FROM SAID ALARM SYSTEM, MEANS FOR GENERATING DIAL TONES IN SAID TELEPHONES THROUGH SAID TELEPHONE LINES FROM SAID CENTRAL STATION, DISCONNECTING MEANS OPERATIVELY ASSOCIATED WITH SAID MESSAGE TRANSMITTING MEANS FOR DISCONNECTING TELEPHONES AND SAID MESSAGE TRANSMITTING MEANS FROM SAID LINES WHEREBY TELEPHONE DIAL TONES MAY BE ESTABLISHED ON SAID LINES, CONTACTING SIGNAL MEANS FOR EMITTING AN ELECTRICAL SIGNAL OVER SAID LINES TO SIGNAL THE SAID CENTRAL STATION UPON CONNECTION OF SAID CONTACTING SIGNAL MEANS TO SAID TELEPHONE LINES AND RECEIPT OF SAID DIAL TONES, AND MEANS RESPONSIVE TO SAID DIAL TONE FOR CONNECTING SAID CONTACTING SIGNAL MEANS TO SAID TELEPHONE LINE.
References Cited (Backward Citations)
US2555714A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |