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US2834616A Expired / Lapsed US ⏱️ 0.0 years remaining

Shaft seals

Assignee: Federal Mogul Bower Bearings Inc
•
Filing: 1955-03-29
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Granted: 1958-05-13
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Expires: 1975-03-29
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Abstract

No abstract record available.

Inventors

  • 👤 Marshall K Gebert
  • 👤 George E Rich

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 15:06
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7816; F16C33/783; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3248

Claims Analysis

Total Claims: 0
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-05-12 1961-11-11 1962-05-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-05-12 1965-11-11 1966-05-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-05-12 1969-11-11 1970-05-13 $7700.00 Window Closed / Lapsed

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