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Patent US2872043A successfully refreshed from Google Patents.
US2872043A
Expired / Lapsed
US
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Water separators
Assignee: Fram Corp
•
Filing: 1956-06-06
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Granted: 1959-02-03
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Expires: 1976-06-06
Abstract
No abstract record available.
Inventors
- 👤 Joseph N Fitzgerald
- 👤 John W Gerhardt
- 👤 Owen C Redmon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:33
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/06; B; B01; B01D; B01D17/00; B01D17/02; B01D17/04; B01D17/045; B01D17/08; B01D17/10; Y; Y10; Y10S; Y10S210/00; Y10S210/05
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) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |