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US3211178A Expired / Lapsed US ⏱️ 0.0 years remaining

Concentric coupling

Assignee: Eaton Aeroquip LLC
•
Filing: 1961-07-24
•
Granted: 1965-10-12
•
Expires: 1981-07-24
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Abstract

No abstract record available.

Inventors

  • 👤 Kiszko Walter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 01:01
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/08; F16L27/0804; F16L27/0808; F16L27/0824; F16L37/00; F16L37/22; F16L37/23; F16L37/28; F16L37/30; F16L37/32; F16L37/34; F16L37/56; F16L37/565; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/87925; Y10T137/87941; Y10T137/87949; Y10T137/87957

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

CA616242A Cited
US2457251A Cited
US2553680A Cited
US2568516A Cited
US2744770A Cited
GB829096A Cited
US2941821A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-10-11 1969-04-12 1969-10-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-10-11 1973-04-12 1973-10-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-10-11 1977-04-12 1977-10-12 $7700.00 Window Closed / Lapsed

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