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US2559800A Expired / Lapsed US ⏱️ 0.0 years remaining

Tensiometer

Assignee: Individual
•
Filing: 1945-12-29
•
Granted: 1951-07-10
•
Expires: 1965-12-29
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Abstract

No abstract record available.

Inventors

  • 👤 Jr James J Ryan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 04:26
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/04; G01L1/044

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US361689A Cited
US504286A Cited
US2020927A Cited
FR827850A Cited
US2390304A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-07-09 1955-01-08 1955-07-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-07-09 1959-01-08 1959-07-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-07-09 1963-01-08 1963-07-10 $7700.00 Window Closed / Lapsed

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