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US2618205A
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US
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Papermaking machine
Assignee: Beloit Iron Works Inc
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Filing: 1948-03-08
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Granted: 1952-11-18
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Expires: 1968-03-08
Abstract
No abstract record available.
Inventors
- 👤 Heys Ralph Chalinor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:24
CPC Classifications
D; D21; D21F; D21F3/00; D21F3/02; D21F3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE633324C
Cited
US1163253A
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US1925917A
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US2038708A
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US2204426A
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US2209757A
Cited
US2209760A
Cited
GB531879A
Cited
CH270549A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |