Patent US2824314A successfully refreshed from Google Patents.
US3562736A
Expired / Lapsed
US
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Code responsive monitoring system
Assignee: Individual
•
Filing: 1965-10-22
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Granted: 1971-02-09
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Expires: 1985-10-22
Abstract
Abstract IN A RADIO ALERTING SYSTEM AN IMPULSE SIGNAL GENERATING MEANS ACTIVATED BY ENERGIZATION OF THE SYSTEM TO ENERGIZE RELAY MEANS THAT IN TURN OPERATES INDICATING MEANS TO INFORM AN ALARM STATION OPERATOR THAT THE ALERT SIGNAL HAS BEEN RECEIVED BY A REMOTE STATION.
Inventors
- 👤 Paul A Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:29
CPC Classifications
G; G08; G08B; G08B27/00; G08B27/001; G08B27/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |