Patent US2479031A successfully refreshed from Google Patents.
US2479031A
Expired / Lapsed
US
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Method of and apparatus for controlling paper-making machines
Assignee: Individual
•
Filing: 1946-07-01
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Granted: 1949-08-16
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Expires: 1966-07-01
Abstract
No abstract record available.
Inventors
- 👤 Alexander W Tait
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:52
CPC Classifications
D; D21; D21G; D21G9/00; G; G05; G05D; G05D22/00; G05D22/02; Y; Y10; Y10S; Y10S162/00; Y10S162/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1633817A
Cited
US1741266A
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US1805474A
Cited
US2061424A
Cited
US2142789A
Cited
US2244864A
Cited
US2234697A
Cited
US2351081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-15 | 1953-02-14 | 1953-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-15 | 1957-02-14 | 1957-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-15 | 1961-02-14 | 1961-08-16 | $7700.00 | Window Closed / Lapsed |