US2882853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for operating a signalling device
Assignee: Falcon Alarm Co Inc
•
Filing: 1956-12-24
•
Granted: 1959-04-21
•
Expires: 1976-12-24
Abstract
No abstract record available.
Inventors
- 👤 Reeves Charles E Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:07
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/0007; G01F23/0015; Y; Y10; Y10S; Y10S116/00; Y10S116/44
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1692942A
Cited
US1665671A
Cited
US1898546A
Cited
US2067829A
Cited
US2497860A
Cited
US2767797A
Cited
US2719507A
Cited
US2778330A
Cited
US2777416A
Cited
US2742014A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |