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US2719930A Expired / Lapsed US ⏱️ 0.0 years remaining

Voltage function generator

Assignee: CONTROL INSTR CO Inc
•
Filing: 1951-05-05
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Granted: 1955-10-04
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Expires: 1971-05-05
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Abstract

No abstract record available.

Inventors

  • 👤 Henry C Lehde

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 22:16
CPC Classifications
H; H02; H02K; H02K39/00; G; G01; G01D; G01D2205/00; G01D2205/70; G01D2205/77; G01D2205/777

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE168743C Cited
US447921A Cited
US502777A Cited
US526064A Cited
DE505806C Cited
US992817A Cited
US1102990A Cited
US1491108A Cited
US1759987A Cited
US1659071A Cited
US1964265A Cited
US2049232A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-10-03 1959-04-04 1959-10-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-10-03 1963-04-04 1963-10-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-10-03 1967-04-04 1967-10-04 $7700.00 Window Closed / Lapsed

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