Patent US2970671A successfully refreshed from Google Patents.
US2970671A
Expired / Lapsed
US
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Separator for removing liquids and solids from vapors
Assignee: Individual
•
Filing: 1953-12-17
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Granted: 1961-02-07
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Expires: 1973-12-17
Abstract
No abstract record available.
Inventors
- 👤 Otto P Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:00
CPC Classifications
B; B01; B01D; B01D50/00; Y; Y10; Y10S; Y10S55/00; Y10S55/23; Y10S55/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2117718A
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US2144681A
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US2514623A
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US2594490A
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US2521785A
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US2547769A
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US2745513A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |