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US2992027A Expired / Lapsed US ⏱️ 0.0 years remaining

Dual-lip shaft seal

Assignee: Garlock Inc
•
Filing: 1957-09-27
•
Granted: 1961-07-11
•
Expires: 1977-09-27
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Abstract

No abstract record available.

Inventors

  • 👤 Foster E Wright
  • 👤 Charles G Stucke

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 07:18
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204; F16J15/3232

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2257119A Cited
US2173247A Cited
GB550312A Cited
GB580871A Cited
US2676040A Cited
US2879114A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-07-10 1965-01-09 1965-07-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-07-10 1969-01-09 1969-07-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-07-10 1973-01-09 1973-07-11 $7700.00 Window Closed / Lapsed

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