Patent US2829691A successfully refreshed from Google Patents.
US2829691A
Expired / Lapsed
US
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Forage cutting unit having cutting strips on cooperating drum
Assignee: GRASSLANDER CO Ltd
•
Filing: 1955-11-16
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Granted: 1958-04-08
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Expires: 1975-11-16
Abstract
No abstract record available.
Inventors
- 👤 Jarvis James Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:43
CPC Classifications
A; A01; A01F; A01F29/00; A01F29/06; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/4824; Y10T83/483; Y10T83/4838; Y10T83/4841
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1420021A
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US2735469A
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US1929586A
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US2007731A
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US2399529A
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US2579615A
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US2716318A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |