US3131260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic alarm system
Assignee: Individual
•
Filing: 1960-03-24
•
Granted: 1964-04-28
•
Expires: 1980-03-24
Abstract
No abstract record available.
Inventors
- 👤 Evans James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:57
CPC Classifications
H; H04; H04M; H04M11/00; H04M11/04; H04M11/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
AN AUTOMATIC ALARM SYSTEM FOR USE WITH A TELEPHONE SUBSET INCLUDING A HANDSET HAVING MAGNETIC PICK-UP MEANS ELECTRICALLY CONNECTED TO A CRADLE WHICH IS ELECTRICALLY CONNECTED TO TELEPHONE LINES AND MOUNTS A MANUAL DIALING DEVICE AND A CIRCUIT BREAKER BUTTON ORDINARILY ACTUATED BY THE HANDSET, COMPRISING, A SENSOR UNIT, A CONTROL UNIT, MEANS CONNECTING SAID SENSOR UNIT TO SAID CONTROL UNIT FOR INITIATING OPERATION OF SAID CONTROL UNIT IN RESPONSE TO ACTUATION OF SAID SENSOR UNIT, AN ARM, MOVABLY MOUNTED IN FIXED RELATION TO THE CRADLE AND DISPOSED IN ALIGNMENT WITH SAID BUTTON FOR ENGAGEMENT THEREWITH, SAID ARM BEING OPERATIVELY CONNECTED MECHANICALLY TO SAID CONTROL UNIT FOR MOVEMENT THEREBY INTO ENGAGEMENT WITH SAID BUTTON FOR EMERGENCY PLURAL NUMBER DIALING INDEPENDENT OF SAID MANUAL DIALING DEVICE.
Claim 2
Dependent Claim
125 words
AN AUTOMATIC ALARM SYSTEM FOR USE WITH A TELEPHONE SUBSET INCLUDING A HANDSET HAVING MAGNETIC PICK-UP MEANS ELECTRICALLY CONNECTED TO A CRADLE WHICH IS ELECTRICALLY CONNECTED TO TELEPHONE LINES AND MOUNTS A MANUAL DIALING DEVICE AND A CIRCUIT BREAKER BUTTON ORDINARILY ACTUATED BY THE HANDSET, COMPRISING, A SENSOR UNIT, A CONTROL UNIT, MEANS CONNECTING SAID SENSOR UNIT TO SAID CONTROL UNIT FOR INITIATING OPERATION OF SAID CONTROL UNIT IN RESPONSE TO ACTUATION OF SAID SENSOR UNIT, AN ARM, MOVABLY MOUNTED IN FIXED RELATION TO THE CRADLE AND DISPOSED IN ALIGNMENT WITH SAID BUTTON FOR ENGAGEMENT THEREWITH, SAID ARM BEING OPERATIVELY CONNECTED MECHANICALLY TO SAID CONTROL UNIT FOR MOVEMENT THEREBY INTO ENGAGEMENT WITH SAID BUTTON FOR EMERGENCY PLURAL NUMBER DIALING INDEPENDENT OF SAID MANUAL DIALING DEVICE.
References Cited (Backward Citations)
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Cited
US2188055A
Cited
US2512981A
Cited
US2399229A
Cited
US2878315A
Cited
US3095478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |