US3490408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alarm circuits and systems
Assignee: ITE Imperial Corp
•
Filing: 1967-06-05
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Granted: 1970-01-20
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Expires: 1987-06-05
Abstract
No abstract record available.
Inventors
- 👤 Michele Monge
- 👤 Angelo Abbate Daga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:29
CPC Classifications
G; G08; G08B; G08B1/00; G08B1/04; F; F15; F15C; F15C1/00; F15C1/003; G08B7/00; G08B7/04; Y; Y10; Y10S; Y10S200/00; Y10S200/05; Y10T; Y10T137/00; Y10T137/206; Y10T137/2065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3001539A
Cited
US3150674A
Cited
US3138168A
Cited
US3190554A
Cited
US3224674A
Cited
US3335950A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |