US2681091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Straw comminuting machine having reversible stationary cutting blade
Assignee: Individual
•
Filing: 1951-03-01
•
Granted: 1954-06-15
•
Expires: 1971-03-01
Abstract
No abstract record available.
Inventors
- 👤 Buboltz Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:27
CPC Classifications
A; A01; A01F; A01F12/00; A01F12/40; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6584; Y10T83/6587
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US304162A
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US563006A
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US641869A
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US777339A
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US999932A
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US1015743A
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US2327893A
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US2446095A
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US2590056A
Cited
DE806064C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-14 | 1957-12-14 | 1958-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-14 | 1961-12-14 | 1962-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-14 | 1965-12-14 | 1966-06-15 | $7700.00 | Window Closed / Lapsed |