US2624461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Float removal device for rotatable type heavy-media separators
Assignee: Wyeth Holdings LLC
•
Filing: 1949-08-13
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Granted: 1953-01-06
•
Expires: 1969-08-13
Abstract
No abstract record available.
Inventors
- 👤 Stuart A Falconer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:47
CPC Classifications
B; B03; B03B; B03B5/00; B03B5/28; B03B5/30; B03B5/36; B03B5/42; B03B11/00; B03B2011/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US29837A
Cited
USRE16674E
Cited
US1095071A
Cited
GB176370A
Cited
US1958309A
Cited
AU2160135A
Cited
US2150946A
Cited
US2482747A
Cited
US2479141A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |