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US2564567A
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Universal self-contained plow
Assignee: MASSEY HARRIS CO Ltd
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Filing: 1945-10-08
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Granted: 1951-08-14
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Expires: 1965-10-08
Abstract
No abstract record available.
Inventors
- 👤 Ego George Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:56
CPC Classifications
A; A01; A01B; A01B15/00; A01B15/14; A01B15/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US487871A
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US732626A
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US818760A
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US917762A
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US1635019A
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US1738185A
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US1885955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |