US2980888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle warning system
Assignee: Ford Motor Co
•
Filing: 1958-10-08
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Granted: 1961-04-18
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Expires: 1978-10-08
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Hothem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:06
CPC Classifications
G; G08; G08B; G08B3/00; G08B3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE498615A
Cited
US2354699A
Cited
US2826691A
Cited
US2846580A
Cited
US2856751A
Cited
US2910688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |