Patent US2776613A successfully refreshed from Google Patents.
US2776613A
Expired / Lapsed
US
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Tractor attaching structure
Assignee: International Motors LLC
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Filing: 1953-02-25
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Granted: 1957-01-08
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Expires: 1973-02-25
Abstract
No abstract record available.
Inventors
- 👤 John R Orelind
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:59
CPC Classifications
A; A01; A01B; A01B59/00; A01B59/06; A01B59/061; A01B59/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1464740A
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US2363292A
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US2352491A
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US2337638A
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US2386378A
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US2518363A
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US2619019A
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US2564034A
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US2593028A
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US2656776A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-08 | 1960-07-09 | 1961-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-08 | 1964-07-09 | 1965-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-08 | 1968-07-09 | 1969-01-08 | $7700.00 | Window Closed / Lapsed |