Patent US2779253A successfully refreshed from Google Patents.
US2779253A
Expired / Lapsed
US
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Adjustable slice for papermaking machinery
Assignee: Individual
•
Filing: 1953-12-24
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Granted: 1957-01-29
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Expires: 1973-12-24
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Owens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:29
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/02; D21F1/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1552629A
Cited
US1890634A
Cited
US1906355A
Cited
US2418600A
Cited
US2548108A
Cited
GB679926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |