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US1285169A Expired / Lapsed US ⏱️ 0.0 years remaining

Water-stage recorder.

Assignee: W AND L E GURLEY
•
Filing: 1918-01-07
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Granted: 1918-11-19
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Expires: 1938-01-07
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Abstract

No abstract record available.

Inventors

  • 👤 Wendell Hess Jr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 09:29
CPC Classifications
E; E02; E02D; E02D1/00; E02D1/02; E02D1/022; G; G01; G01N; G01N3/00; G01N3/24; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1956; Y10T74/19565; Y10T74/1957

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1921-11-18 1922-05-20 1922-11-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1925-11-18 1926-05-20 1926-11-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1929-11-18 1930-05-20 1930-11-19 $7700.00 Window Closed / Lapsed

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