US3024702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency warning device
Assignee: Individual
•
Filing: 1959-04-27
•
Granted: 1962-03-13
•
Expires: 1979-04-27
Abstract
No abstract record available.
Inventors
- 👤 Reinholdt Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:09
CPC Classifications
B; B60; B60Q; B60Q7/00; B60Q7/005; Y; Y10; Y10S; Y10S359/00; Y10S359/903; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49876
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1641880A
Cited
US2500897A
Cited
US2542894A
Cited
GB723343A
Cited
GB715551A
Cited
GB751234A
Cited
US2861501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |