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US2459155A Expired / Lapsed US ⏱️ 0.0 years remaining

Pressure cell

Assignee: Individual
•
Filing: 1945-09-19
•
Granted: 1949-01-18
•
Expires: 1965-09-19
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Abstract

No abstract record available.

Inventors

  • 👤 Albert L Erickson
  • 👤 James C Kyle

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 20:21
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0041; G01L9/007

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1718494A Cited
US1548698A Cited
US2319219A Cited
US2320881A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-01-18 1952-07-19 1953-01-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-01-18 1956-07-19 1957-01-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-01-18 1960-07-19 1961-01-18 $7700.00 Window Closed / Lapsed

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