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US2982296A Expired / Lapsed US ⏱️ 0.0 years remaining

Grease seal

Assignee: Mission Manufacturing Co
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Filing: 1959-02-20
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Granted: 1961-05-02
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Expires: 1979-02-20
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Abstract

No abstract record available.

Inventors

  • 👤 Robert L Ohls
  • 👤 Harry L Burgess

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 23:43
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/08; F16K5/22; F16K5/225; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4358; Y10T137/4372

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1597254A Cited
US1657841A Cited
US2269887A Cited
US2279472A Cited
US2300835A Cited
US2568935A Cited
US2567527A Cited
US2765185A Cited
US2805040A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-05-01 1964-10-31 1965-05-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-05-01 1968-10-31 1969-05-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-05-01 1972-10-31 1973-05-02 $7700.00 Window Closed / Lapsed

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