Patent US2946231A successfully refreshed from Google Patents.
US2946231A
Expired / Lapsed
US
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Paper machine drive mechanism
Assignee: Beloit Iron Works Inc
•
Filing: 1955-09-26
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Granted: 1960-07-26
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Expires: 1975-09-26
Abstract
No abstract record available.
Inventors
- 👤 Hornbostel Lloyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:29
CPC Classifications
D; D21; D21F; D21F7/00; D21F7/02; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1956
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US795386A
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FR375099A
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US1543368A
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US1471603A
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FR726918A
Cited
US2144307A
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US2180202A
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FR857359A
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US2332838A
Cited
US2357201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |