US2618966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism responsive to variations in the consistency of a fibrous suspension
Assignee: Individual
•
Filing: 1947-06-17
•
Granted: 1952-11-25
•
Expires: 1967-06-17
Abstract
No abstract record available.
Inventors
- 👤 Karlsson Karl Arvid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:24
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/08; B; B01; B01F; B01F35/00; B01F35/80; B01F35/82
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1178193A
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US1544705A
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US1810111A
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US1944243A
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US2017225A
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US1966638A
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US2372595A
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US2442888A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |