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US3135047A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of welding

Assignee: Standard Oil Co
•
Filing: 1959-11-06
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Granted: 1964-06-02
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Expires: 1979-11-06
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Abstract

No abstract record available.

Inventors

  • 👤 Arthur R Houser

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:58
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/035

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1990077A Cited
US2173109A Cited
US2273154A Cited
US2336297A Cited
US2372712A Cited
US2412271A Cited
US2895747A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-06-02 1967-12-02 1968-06-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-06-02 1971-12-02 1972-06-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-06-02 1975-12-02 1976-06-02 $7700.00 Window Closed / Lapsed

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