US3067876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal separator process and apparatus
Assignee: Rain Jet Corp
•
Filing: 1960-02-15
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Granted: 1962-12-11
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Expires: 1980-02-15
Abstract
No abstract record available.
Inventors
- 👤 Jr John O Hruby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:09
CPC Classifications
B; B04; B04C; B04C5/00; B04C5/08; B04C5/081; B01; B01D; B01D29/00; B01D29/11; B01D29/114; B01D29/115; B01D29/88; B01D29/90; B01D29/902; B01D29/908; B01D29/92; B01D29/925; B01D29/94; B01D29/945; B01D2201/00; B01D2201/28; B01D2201/282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2425932A
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US1202356A
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US2229860A
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US2346005A
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US2425110A
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GB680297A
Cited
US2672215A
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US2718179A
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US2812828A
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US2939583A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |