US3154050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency signal apparatus
Assignee: Individual
•
Filing: 1962-07-06
•
Granted: 1964-10-27
•
Expires: 1982-07-06
Abstract
No abstract record available.
Inventors
- 👤 Chris A Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:22
CPC Classifications
G; G08; G08B; G08B5/00; G08B5/002
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2924041A
Cited
US1098286A
Cited
US2842090A
Cited
US2862531A
Cited
US2792669A
Cited
US3007483A
Cited
US3002490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |