US2773143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor ignition system
Assignee: Individual
•
Filing: 1953-01-19
•
Granted: 1956-12-04
•
Expires: 1973-01-19
Abstract
No abstract record available.
Inventors
- 👤 James A Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:27
CPC Classifications
B; B60; B60K; B60K28/00; B60K28/02; B60K28/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1956978A
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US2219337A
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US2521005A
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US2469976A
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US2499958A
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US2579135A
Cited
US2612232A
Cited
US2573514A
Cited
US2577960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |