US2658770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Farm implement hitch
Assignee: Individual
•
Filing: 1950-04-14
•
Granted: 1953-11-10
•
Expires: 1970-04-14
Abstract
No abstract record available.
Inventors
- 👤 John C Koenig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:51
CPC Classifications
A; A01; A01B; A01B59/00; A01B59/04; A01B59/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB132550A
Cited
US1319235A
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US802728A
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US1088568A
Cited
US1497051A
Cited
US1636802A
Cited
DE411757C
Cited
US1740751A
Cited
US1700009A
Cited
US2401881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |