US3116479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire alarm signal box having hydraulic delay of operating handle and having a preliminary signal at the box for discouraging false alarms
Assignee: Individual
•
Filing: 1960-08-08
•
Granted: 1963-12-31
•
Expires: 1980-08-08
Abstract
No abstract record available.
Inventors
- 👤 Sr Harry V Kingsmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:13
CPC Classifications
G; G08; G08B; G08B17/00; G08B17/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A FIRE ALARM SYSTEM COMPRISING A FIRE ALARM DEVICE INSTALLED AT A SITE REMOTE FROM FIRE ALARM HEADQUARTERS AND HAVING A HANDLE, MEANS FOR SETTING OFF AN ALERT SIGNAL AT SAID HEADQUARTERS IN RESPONSE TO THE INITIAL MANIPULATION OF SAID HANDLE, MEANS FOR YIELDABLY RESISTING THE MANIPULATION OF SAID HANDLE, BY SUCH FORCE AS TO PROLONG THE OPERATIVE PERIOD OF MANIPULATION OF SAID HANDLE UNDER THE MOST FORCIBLE MANUAL EXERTION POSSIBLE TO ONE OF SUBSTANTIAL LENGTH, AND MEANS RESPONSIVE TO THE MANIPULATION OF SAID HANDLE ONLY AFTER SAID HANDLE HAS BEEN OPERATED AGAINST SAID RESISTING MEANS FOR A PROLONGED PERIOD FOR SETTING OFF AN ALARM SIGNAL AT SAID FIRE ALARM HEADQUARTERS.
Claim 2
Dependent Claim
111 words
A FIRE ALARM SYSTEM COMPRISING A FIRE ALARM DEVICE INSTALLED AT A SITE REMOTE FROM FIRE ALARM HEADQUARTERS AND HAVING A HANDLE, MEANS FOR SETTING OFF AN ALERT SIGNAL AT SAID HEADQUARTERS IN RESPONSE TO THE INITIAL MANIPULATION OF SAID HANDLE, MEANS FOR YIELDABLY RESISTING THE MANIPULATION OF SAID HANDLE, BY SUCH FORCE AS TO PROLONG THE OPERATIVE PERIOD OF MANIPULATION OF SAID HANDLE UNDER THE MOST FORCIBLE MANUAL EXERTION POSSIBLE TO ONE OF SUBSTANTIAL LENGTH, AND MEANS RESPONSIVE TO THE MANIPULATION OF SAID HANDLE ONLY AFTER SAID HANDLE HAS BEEN OPERATED AGAINST SAID RESISTING MEANS FOR A PROLONGED PERIOD FOR SETTING OFF AN ALARM SIGNAL AT SAID FIRE ALARM HEADQUARTERS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |