Patent US2465476A successfully refreshed from Google Patents.
US2465476A
Expired / Lapsed
US
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Tractor loading attachment
Assignee: Individual
•
Filing: 1946-09-06
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Granted: 1949-03-29
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Expires: 1966-09-06
Abstract
No abstract record available.
Inventors
- 👤 Stephen S Pokorny
- 👤 Herman E Luebbers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:59
CPC Classifications
A; A01; A01D; A01D87/00; A01D87/0053; A01D87/0069
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2371273A
Cited
US947964A
Cited
US2336390A
Cited
US2395622A
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US2387656A
Cited
US2377112A
Cited
US2415892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-28 | 1952-09-27 | 1953-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-28 | 1956-09-27 | 1957-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-28 | 1960-09-27 | 1961-03-29 | $7700.00 | Window Closed / Lapsed |