Patent US2456868A successfully refreshed from Google Patents.
US2456868A
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Trailer for disking machines
Assignee: Individual
•
Filing: 1946-09-25
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Granted: 1948-12-21
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Expires: 1966-09-25
Abstract
No abstract record available.
Inventors
- 👤 Frank M Dominic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:00
CPC Classifications
A; A01; A01B; A01B23/00; A01B23/04; A01B23/046; B; B62; B62D; B62D63/00; B62D63/06; B62D63/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US901252A
Cited
US799414A
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US1003648A
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US1619904A
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US2164550A
Cited
US2233697A
Cited
US2233005A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-21 | 1952-06-21 | 1952-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-21 | 1956-06-21 | 1956-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-21 | 1960-06-21 | 1960-12-21 | $7700.00 | Window Closed / Lapsed |