Patent US2667732A successfully refreshed from Google Patents.
US2667732A
Expired / Lapsed
US
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Loading and cleaning attachment for cane harvesters
Assignee: B C THOMSON Co Inc
•
Filing: 1950-05-03
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Granted: 1954-02-02
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Expires: 1970-05-03
Abstract
No abstract record available.
Inventors
- 👤 Byron C Thomson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:28
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2466386A
Cited
US530296A
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US109523A
Cited
US834046A
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US858061A
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US958790A
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US1118636A
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US1289169A
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US1512382A
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US1510479A
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US2235596A
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US2546165A
Cited
US2577328A
Cited
US2556509A
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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) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |