Patent US5550456A successfully refreshed from Google Patents.
Patent US2894599A successfully refreshed from Google Patents.
US2894599A
Expired / Lapsed
US
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Oil separator and muffler
Assignee: Individual
•
Filing: 1956-05-18
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Granted: 1959-07-14
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Expires: 1976-05-18
Abstract
No abstract record available.
Inventors
- 👤 Sylvan V Leininger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:12
CPC Classifications
F; F01; F01B; F01B17/00; F01B17/02; F01B17/027; B; B01; B01D; B01D45/00; B01D45/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US240320A
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US297039A
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US570790A
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US1359547A
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US1778078A
Cited
FR681141A
Cited
FR38596E
Cited
US1948180A
Cited
US2176498A
Cited
US2168512A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-13 | 1963-01-12 | 1963-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-13 | 1967-01-12 | 1967-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-13 | 1971-01-12 | 1971-07-14 | $7700.00 | Window Closed / Lapsed |