US2474757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burglary or fire alarm system
Assignee: SEBASTIANO D'AMICO
•
Filing: 1945-06-04
•
Granted: 1949-06-28
•
Expires: 1965-06-04
Abstract
No abstract record available.
Inventors
- 👤 Parilla Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:55
CPC Classifications
G; G08; G08B; G08B19/00; G08B19/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US665801A
Cited
US942508A
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US1365693A
Cited
US1497194A
Cited
AU1402628A
Cited
US2022991A
Cited
US2234598A
Cited
US2252710A
Cited
US2346171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-27 | 1952-12-27 | 1953-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-27 | 1956-12-27 | 1957-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-27 | 1960-12-27 | 1961-06-28 | $7700.00 | Window Closed / Lapsed |