US2888997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compensating hitch
Assignee: Individual
•
Filing: 1956-11-30
•
Granted: 1959-06-02
•
Expires: 1976-11-30
Abstract
No abstract record available.
Inventors
- 👤 Frank M Fraga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:24
CPC Classifications
A; A01; A01B; A01B59/00; A01B59/06; A01B59/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1864639A
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US2140144A
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GB556859A
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US2395322A
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US2456693A
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US2518360A
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DE816610C
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US2551870A
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US2649722A
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US2653531A
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US2653823A
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US2724314A
Cited
FR1039920A
Cited
DE870610C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |