US2578347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal transmitting device for vehicles
Assignee: Individual
•
Filing: 1947-07-29
•
Granted: 1951-12-11
•
Expires: 1967-07-29
Abstract
No abstract record available.
Inventors
- 👤 Gagnaire Francois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:48
CPC Classifications
G; G08; G08B; G08B7/00; G08B7/06; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86187; Y10T74/00; Y10T74/15
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1092732A
Cited
US1368736A
Cited
US1792479A
Cited
AT127641B
Cited
US2007371A
Cited
GB419803A
Cited
GB430459A
Cited
GB432865A
Cited
GB458786A
Cited
GB463416A
Cited
US2176742A
Cited
US2394786A
Cited
US2507359A
Cited
GB594336A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |