US2844390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor hitch of the automatic coupling type having connection facilitating means
Assignee: Individual
•
Filing: 1956-11-30
•
Granted: 1958-07-22
•
Expires: 1976-11-30
Abstract
No abstract record available.
Inventors
- 👤 Leonard L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:34
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/24; B60D1/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1226687A
Cited
US1626993A
Cited
DE488969C
Cited
US1939463A
Cited
US2113338A
Cited
US2153722A
Cited
US2339746A
Cited
US2474483A
Cited
DE832105C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |