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US1826762A Expired / Lapsed US ⏱️ 0.0 years remaining

Ratio recorder

Assignee: Individual
•
Filing: 1924-11-20
•
Granted: 1931-10-13
•
Expires: 1944-11-20
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Abstract

No abstract record available.

Inventors

  • 👤 Bernard S Franklin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 21:30
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/34; G01F1/36; G01F1/37; G01F1/372; Y; Y10; Y10S; Y10S261/00; Y10S261/02; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2521; Y10T137/2529; Y10T137/8158

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) 1934-10-12 1935-04-13 1935-10-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1938-10-12 1939-04-13 1939-10-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1942-10-12 1943-04-13 1943-10-13 $7700.00 Window Closed / Lapsed

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