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US3458011A Expired / Lapsed US ⏱️ 0.0 years remaining

Lubrication - supply system utilizing blow-by gases to maintain a generally constant oil level

Assignee: General Electric Co
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Filing: 1967-12-22
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Granted: 1969-07-29
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Expires: 1987-12-22
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Abstract

No abstract record available.

Inventors

  • 👤 Peter W Dwyer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 14:52
CPC Classifications
F; F01; F01M; F01M11/00; F01M11/06; F01M11/061; F01M13/00; F04; F04B; F04B39/00; F04B39/02; F01M13/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1317961A Cited
US1322919A Cited
US2081315A Cited
US2207527A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-07-28 1973-01-27 1973-07-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-07-28 1977-01-27 1977-07-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-07-28 1981-01-27 1981-07-29 $7700.00 Window Closed / Lapsed

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