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US3049129A
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Straw walkers having closely spaced saw-toothed plates
Assignee: Massey Ferguson Inc
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Filing: 1959-06-08
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Granted: 1962-08-14
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Expires: 1979-06-08
Abstract
No abstract record available.
Inventors
- 👤 Mark Alexander Hing
- 👤 Geoffrey F Cooper
- 👤 Coleman Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:57
CPC Classifications
A; A01; A01F; A01F12/00; A01F12/30; A01F12/305
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US792516A
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US810625A
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US976306A
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US1415896A
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US1620644A
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FR629871A
Cited
US1884114A
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US2887226A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |