US3257654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alarm system and clock therefor
Assignee: CSG Security Inc
•
Filing: 1963-12-30
•
Granted: 1966-06-21
•
Expires: 1983-12-30
Abstract
No abstract record available.
Inventors
- 👤 Richard H Rogers
- 👤 John A Sadler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:08
CPC Classifications
G; G08; G08B; G08B25/00; G08B25/008; G04; G04C; G04C23/00; G04C23/14; G04C23/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
AN ALARM SYSTEM HAVING A NORMAL ON GUARD CONDITION, A NORMAL OFF GUARD CONDITION, AND AN ALARM CONDITION, COMPRISING A CLOCK HAVING A CONSTANTLY DRIVEN MECHANISM FOR CHANGING THE SYSTEM ALTERNATELY FROM ONE NORMAL CONDITION TO THE OTHER, ELECTRICAL MEANS RESPONSIVE TO A DISTURBANCE OF THE SYSTEM TO CHANGE THE SYSTEM FROM AT LEAST THE ON GUARD CONDITION TO AN ALARM CONDITION, AND MEANS FOR MAINTAINING THE ALARM CONDITION FOR AT LEAST A PREDETERMINED TIME AND COMPRISING A CLUTCH HAVING A NORMAL CONDITION IN WHICH IT IS DISEN-
Claim 2
Dependent Claim
88 words
AN ALARM SYSTEM HAVING A NORMAL ON GUARD CONDITION, A NORMAL OFF GUARD CONDITION, AND AN ALARM CONDITION, COMPRISING A CLOCK HAVING A CONSTANTLY DRIVEN MECHANISM FOR CHANGING THE SYSTEM ALTERNATELY FROM ONE NORMAL CONDITION TO THE OTHER, ELECTRICAL MEANS RESPONSIVE TO A DISTURBANCE OF THE SYSTEM TO CHANGE THE SYSTEM FROM AT LEAST THE ON GUARD CONDITION TO AN ALARM CONDITION, AND MEANS FOR MAINTAINING THE ALARM CONDITION FOR AT LEAST A PREDETERMINED TIME AND COMPRISING A CLUTCH HAVING A NORMAL CONDITION IN WHICH IT IS DISEN-
References Cited (Backward Citations)
US2177102A
Cited
US2436824A
Cited
US2493576A
Cited
US2963628A
Cited
US3152232A
Cited
US3136985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |