US2507799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Implement hitch
Assignee: WAYNE L BENEDICT
•
Filing: 1947-06-20
•
Granted: 1950-05-16
•
Expires: 1967-06-20
Abstract
No abstract record available.
Inventors
- 👤 Eric P Mcnair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:04
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/01; B60D1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US665294A
Cited
US784927A
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US827431A
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US967713A
Cited
GB174386A
Cited
DE532060C
Cited
US2002658A
Cited
US2200654A
Cited
US2221492A
Cited
US2429761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-15 | 1953-11-14 | 1954-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-15 | 1957-11-14 | 1958-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-15 | 1961-11-14 | 1962-05-16 | $7700.00 | Window Closed / Lapsed |