US3124793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Annunciator system a
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:56
CPC Classifications
G; G08; G08B; G08B25/00; G08B25/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
AN ANNUNCIATOR SYSTEM FOR MONITORING RESPECTIVE REMOTE LOCATIONS EACH HAVING A CIRCUIT OVER WHICH A RESPECTIVE SIGNAL IS TRANSMITTED RESPONSIVE TO A CHANGE IN THE CONDITION AT THE RESPECTIVE LOCATION, THE IMPROVEMENT COMPRISING A BISTABLE ELEMENT CONNECTED IN SHUNT WITH A RESPECTIVE ONE OF EACH OF THE CIRCUITS AND WHOSE STABLE STATE IS REVESED RESPONSIVE TO A SIGNAL TRANSMITTED OVER THE RESPECTIVE CIRCUIT MEANS FOR APPLYING SIGNALS TRANSMITTED OVER SAID CIRCUITS IN CONTROLLING RELATION TO A RESPECTIVELY ASSOCIATED BISTABLE ELEMENT THEREBY TO SHIFT SAID LAST NAMED ELEMENT TO A REVERSED, CONDUCTING CONDITION, AND AN INDICATOR CONNECTED IN SERIES WITH A RESPECTIVE ONE OF EACH OF
Claim 2
Dependent Claim
105 words
AN ANNUNCIATOR SYSTEM FOR MONITORING RESPECTIVE REMOTE LOCATIONS EACH HAVING A CIRCUIT OVER WHICH A RESPECTIVE SIGNAL IS TRANSMITTED RESPONSIVE TO A CHANGE IN THE CONDITION AT THE RESPECTIVE LOCATION, THE IMPROVEMENT COMPRISING A BISTABLE ELEMENT CONNECTED IN SHUNT WITH A RESPECTIVE ONE OF EACH OF THE CIRCUITS AND WHOSE STABLE STATE IS REVESED RESPONSIVE TO A SIGNAL TRANSMITTED OVER THE RESPECTIVE CIRCUIT MEANS FOR APPLYING SIGNALS TRANSMITTED OVER SAID CIRCUITS IN CONTROLLING RELATION TO A RESPECTIVELY ASSOCIATED BISTABLE ELEMENT THEREBY TO SHIFT SAID LAST NAMED ELEMENT TO A REVERSED, CONDUCTING CONDITION, AND AN INDICATOR CONNECTED IN SERIES WITH A RESPECTIVE ONE OF EACH OF
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |