Patent US3344057A successfully refreshed from Google Patents.
Patent US2657943A successfully refreshed from Google Patents.
US2657943A
Expired / Lapsed
US
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Means for preventing oil creepage
Assignee: General Electric Co
•
Filing: 1950-04-04
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Granted: 1953-11-03
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Expires: 1970-04-04
Abstract
No abstract record available.
Inventors
- 👤 Earl R Booser
- 👤 Donald F Wilcock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:04
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1701707A
Cited
US1934278A
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US1890839A
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US2003000A
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US1958378A
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US2393967A
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US2500454A
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US2467312A
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US2615763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |