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US2669419A Expired / Lapsed US ⏱️ 0.0 years remaining

Weld in pipe line valve structure

Assignee: Panhandle Eastern Pipe Line Co
•
Filing: 1950-08-23
•
Granted: 1954-02-16
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Expires: 1970-08-23
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Abstract

No abstract record available.

Inventors

  • 👤 Farrile S Young

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:51
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/03; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7898; Y10T137/7903

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2301176A Cited
US2356815A Cited
US2363943A Cited
US2414751A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-02-15 1957-08-17 1958-02-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-02-15 1961-08-17 1962-02-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-02-15 1965-08-17 1966-02-16 $7700.00 Window Closed / Lapsed

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