US2836408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary cutting, core breaking and conveying means
Assignee: Joy Manufacturing Co
•
Filing: 1956-03-28
•
Granted: 1958-05-27
•
Expires: 1976-03-28
Abstract
No abstract record available.
Inventors
- 👤 Barrett Arthur Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:08
CPC Classifications
E; E21; E21C; E21C27/00; E21C27/10; E21C27/12; E21C27/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1368189A
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US1853923A
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US2572403A
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US2654586A
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US2619339A
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US2749101A
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US2776809A
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US2776823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |