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US2991005A Expired / Lapsed US ⏱️ 0.0 years remaining

Compressor scavenging system

Assignee: Motors Liquidation Co
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Filing: 1957-10-14
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Granted: 1961-07-04
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Expires: 1977-10-14
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Abstract

No abstract record available.

Inventors

  • 👤 Russell S Hall

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 22:44
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/05; F04D29/056; F04D29/059

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2709567A Cited
US2749087A Cited
US2812898A Cited
US2878894A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-07-03 1965-01-02 1965-07-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-07-03 1969-01-02 1969-07-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-07-03 1973-01-02 1973-07-04 $7700.00 Window Closed / Lapsed

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