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US2985475A Expired / Lapsed US ⏱️ 0.0 years remaining

Face seals

Assignee: Federal Mogul Bower Bearings Inc
•
Filing: 1958-05-19
•
Granted: 1961-05-23
•
Expires: 1978-05-19
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Abstract

No abstract record available.

Inventors

  • 👤 Vasalie L Peickii
  • 👤 Joseph E Lepetich

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 01:14
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/38

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2300385A Cited
US2393260A Cited
US2465546A Cited
US2790523A Cited
US2747901A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-05-22 1964-11-21 1965-05-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-05-22 1968-11-21 1969-05-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-05-22 1972-11-21 1973-05-23 $7700.00 Window Closed / Lapsed

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