US2661605A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separator for intermingled fluids
Assignee: HUSKY REFRIGERATION Corp
•
Filing: 1951-01-17
•
Granted: 1953-12-08
•
Expires: 1971-01-17
Abstract
No abstract record available.
Inventors
- 👤 Edward R Liggett
- 👤 Clarence R Calender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:35
CPC Classifications
F; F25; F25B; F25B43/00; F25B43/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US224644A
Cited
US523929A
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US753313A
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US704022A
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US2032230A
Cited
US2462012A
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US2476044A
Cited
US2568711A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |