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US2829308A Expired / Lapsed US ⏱️ 0.0 years remaining

Cold-cathode binary decade counter

Assignee: General Dynamics Corp
•
Filing: 1955-11-16
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Granted: 1958-04-01
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Expires: 1975-11-16
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Abstract

No abstract record available.

Inventors

  • 👤 Howard L Foote
  • 👤 Gerald R Paul

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:11
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/82

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2584811A Cited
US2584363A Cited
US2594742A Cited
US2620440A Cited
US2541041A Cited
US2583102A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-03-31 1961-09-30 1962-04-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-03-31 1965-09-30 1966-04-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-03-31 1969-09-30 1970-04-01 $7700.00 Window Closed / Lapsed

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