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US3522666A Expired / Lapsed US ⏱️ 0.0 years remaining

Chronological bars programming board

Assignee: Individual
•
Filing: 1967-10-30
•
Granted: 1970-08-04
•
Expires: 1987-10-30
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Abstract

No abstract record available.

Inventors

  • 👤 Charles Jean Roger Sarthou

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 00:51
CPC Classifications
G; G09; G09B; G09B29/00; G09B29/10; G06; G06G; G06G1/00; G06G1/02; G06G1/04; G06G1/06; G09D; G09D1/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3162174A Cited
BE646016A Cited
US3290797A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-08-03 1974-02-02 1974-08-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-08-03 1978-02-02 1978-08-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-08-03 1982-02-02 1982-08-04 $7700.00 Window Closed / Lapsed

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