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US1240098A Expired / Lapsed US ⏱️ 0.0 years remaining

Pipe or well-casing.

Assignee: WESTERN PIPE AND STEEL Co OF CALIFORNIA
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Filing: 1916-12-28
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Granted: 1917-09-11
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Expires: 1936-12-28
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Abstract

No abstract record available.

Inventors

  • 👤 Morgan L Sweeney

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 09:12
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/14; Y; Y10; Y10T; Y10T24/00; Y10T24/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1920-09-10 1921-03-12 1921-09-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1924-09-10 1925-03-12 1925-09-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1928-09-10 1929-03-12 1929-09-11 $7700.00 Window Closed / Lapsed

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