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US2877360A Expired / Lapsed US ⏱️ 0.0 years remaining

Triggered transistor oscillator circuit to replace a sensitive d. c. relay

Assignee: Individual
•
Filing: 1956-06-06
•
Granted: 1959-03-10
•
Expires: 1976-06-06
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Abstract

No abstract record available.

Inventors

  • 👤 Jimmy J Moore
  • 👤 Rold James J Da

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 11:07
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/601; H01; H01H; H01H47/00; H01H47/02; H01H47/20

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2757243A Cited
US2751545A Cited
US2751550A Cited
US2780767A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-03-09 1962-09-08 1963-03-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-03-09 1966-09-08 1967-03-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-03-09 1970-09-08 1971-03-10 $7700.00 Window Closed / Lapsed

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