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US2934278A
Expired / Lapsed
US
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Combination jordan and disc refiner for paper stock
Assignee: Noble and Wood Machine Co
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Filing: 1956-03-14
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Granted: 1960-04-26
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Expires: 1976-03-14
Abstract
No abstract record available.
Inventors
- 👤 Cyrus E Roberson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:33
CPC Classifications
B; B02; B02C; B02C7/00; B02C7/02; B02C7/06; D; D21; D21D; D21D1/00; D21D1/20; D21D1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US475063A
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US984830A
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US1851071A
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US1846061A
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US2645983A
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US2654295A
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US2694344A
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US2823871A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |