US2760411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fourdrinier machine breast roll support and table structure
Assignee: Black Clawson Co
•
Filing: 1951-12-29
•
Granted: 1956-08-28
•
Expires: 1971-12-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph Baxter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:13
CPC Classifications
D; D21; D21F; D21F9/00; D21F9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US508947A
Cited
US541336A
Cited
DE126154C
Cited
US703714A
Cited
US813820A
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US850698A
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US1586204A
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US2039780A
Cited
US2118491A
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US2111833A
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US2255951A
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US2283871A
Cited
US2290883A
Cited
US2360773A
Cited
US2372764A
Cited
US2541080A
Cited
US2484473A
Cited
GB619609A
Cited
US2634658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |