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US2159106A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for adjusting resistors

Assignee: Individual
•
Filing: 1935-02-27
•
Granted: 1939-05-23
•
Expires: 1955-02-27
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Abstract

No abstract record available.

Inventors

  • 👤 Henry G Richter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:28
CPC Classifications
H; H01; H01C; H01C17/00; H01C17/22; H01C17/24; H01C17/245; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082

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) 1942-05-22 1942-11-21 1943-05-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1946-05-22 1946-11-21 1947-05-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1950-05-22 1950-11-21 1951-05-23 $7700.00 Window Closed / Lapsed

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