US3432091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal fluid cleaners
Assignee: Federal Mogul Engineering Ltd
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Filing: 1966-09-21
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Granted: 1969-03-11
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Expires: 1986-09-21
Abstract
No abstract record available.
Inventors
- 👤 Rodney Thomas Beazley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:17
CPC Classifications
B; B04; B04B; B04B5/00; B04B5/005; F; F01; F01M; F01M1/00; F01M1/10; F01M2001/1028; F01M2001/1035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |