US3099825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control units for fire protective signaling systems
Assignee: Individual
•
Filing: 1960-09-30
•
Granted: 1963-07-30
•
Expires: 1980-09-30
Abstract
No abstract record available.
Inventors
- 👤 Harriman Cy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:28
CPC Classifications
G; G08; G08B; G08B29/00; G08B29/02; G08B29/04; G08B29/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
AN ELECTRICALLY ACTUATED ALARM CIRCUIT COMPRISING A PLURALITY OF ALARM INDICATING MEANS, SAID ALARM INDICATING MEANS BEING NORMALLY CONNECTED IN A SERIES CIRCUIT FOR EASE OF ELECTRICAL SUPERVISION, AND TROUBLE SIGNAL MEANS TO WARN OF A FAULT IN SAID SERIES CIRCUIT, DETECTING MEANS FOR SENSING AN ALARM, AND MEANS RESPONSIVE TO SAID DETECTING MEANS FOR DISCONNECTING SAID SERIES CIRCUIT AND CONNECTING SAID ALARM INDICATING MEANS IN PARALLEL WHEN AN ALARM IS SENSED.
Claim 2
Dependent Claim
72 words
AN ELECTRICALLY ACTUATED ALARM CIRCUIT COMPRISING A PLURALITY OF ALARM INDICATING MEANS, SAID ALARM INDICATING MEANS BEING NORMALLY CONNECTED IN A SERIES CIRCUIT FOR EASE OF ELECTRICAL SUPERVISION, AND TROUBLE SIGNAL MEANS TO WARN OF A FAULT IN SAID SERIES CIRCUIT, DETECTING MEANS FOR SENSING AN ALARM, AND MEANS RESPONSIVE TO SAID DETECTING MEANS FOR DISCONNECTING SAID SERIES CIRCUIT AND CONNECTING SAID ALARM INDICATING MEANS IN PARALLEL WHEN AN ALARM IS SENSED.
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |