Patent US3266228A successfully refreshed from Google Patents.
US3266228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separator for removing liquid from a fluid medium
Assignee: Individual
•
Filing: 1965-03-01
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Granted: 1966-08-16
•
Expires: 1985-03-01
Abstract
No abstract record available.
Inventors
- 👤 Bruno T Plizak
- 👤 Sr Albert C Check
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:42
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/04; B01D45/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US416889A
Cited
US1572245A
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US2112335A
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US2910136A
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US2995204A
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US2992814A
Cited
US2966960A
Cited
US3030754A
Cited
US3190057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |