Patent US2622492A successfully refreshed from Google Patents.
US2622492A
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Selective web transfer control for paper machinery
Assignee: Beloit Iron Works Inc
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Filing: 1947-07-26
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Granted: 1952-12-23
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Expires: 1967-07-26
Abstract
No abstract record available.
Inventors
- 👤 John E Goodwillie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:10
CPC Classifications
D; D21; D21F; D21F2/00; Y; Y10; Y10T; Y10T137/00; Y10T137/1842; Y10T137/1939
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US906044A
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US1025822A
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US1701238A
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US1701226A
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US1959520A
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US1981049A
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US2321756A
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US2424189A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |