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Patent US2609732A successfully refreshed from Google Patents.
US2609732A
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Cylinder papermaking machine
Assignee: Alton Box Board Co
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Filing: 1946-03-14
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Granted: 1952-09-09
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Expires: 1966-03-14
Abstract
No abstract record available.
Inventors
- 👤 Roy H Breyfogle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:47
CPC Classifications
D; D21; D21F; D21F9/00; D21F9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1869148A
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DE638623C
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US2001208A
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US2036168A
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DE634716C
Cited
US2059184A
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US2259859A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |