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US2515480A Expired / Lapsed US ⏱️ 0.0 years remaining

Control circuit

Assignee: Individual
•
Filing: 1946-09-24
•
Granted: 1950-07-18
•
Expires: 1966-09-24
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Abstract

No abstract record available.

Inventors

  • 👤 Herbert J Webb

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 06:02
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P1/00; H02P1/16; H02P1/42; H02P1/44; H04; H04Q; H04Q9/00; H04Q9/06

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) 1953-07-17 1954-01-16 1954-07-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-07-17 1958-01-16 1958-07-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-07-17 1962-01-16 1962-07-18 $7700.00 Window Closed / Lapsed

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