US2994765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency vehicle alarm device
Assignee: Individual
•
Filing: 1957-08-09
•
Granted: 1961-08-01
•
Expires: 1977-08-09
Abstract
No abstract record available.
Inventors
- 👤 Eugene C Adam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:12
CPC Classifications
H; H03; H03C; H03C1/00; H03C1/52; G; G08; G08B; G08B1/00; G08B1/08
Claims Analysis
Total Claims: 0
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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) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |