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US3064189A Expired / Lapsed US ⏱️ 0.0 years remaining

Static frequency comparator

Assignee: Sundstrand Corp
•
Filing: 1959-09-16
•
Granted: 1962-11-13
•
Expires: 1979-09-16
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Abstract

No abstract record available.

Inventors

  • 👤 Evans W Erikson
  • 👤 Lowell E Miller
  • 👤 Norbert L Schmitz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 17:32
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/06; G; G01; G01R; G01R23/00; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/538; H02M7/53803; H02M7/53806; H02P; H02P23/00; H02P23/16

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

USRE24240E Cited
CA580360A Cited
US2474268A Cited
US2473853A Cited
US2513477A Cited
US2631279A Cited
US2858425A Cited
US2774872A Cited
US2714705A Cited
US2775700A Cited
US2946004A Cited
US2923820A Cited
US2963648A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-11-12 1966-05-14 1966-11-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-11-12 1970-05-14 1970-11-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-11-12 1974-05-14 1974-11-13 $7700.00 Window Closed / Lapsed

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