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US3535549A Expired / Lapsed US ⏱️ 0.0 years remaining

Function generator

Assignee: Eaton Corp
•
Filing: 1967-02-14
•
Granted: 1970-10-20
•
Expires: 1987-02-14
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Abstract

No abstract record available.

Inventors

  • 👤 Jose L Herrero

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 06:10
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/26; G06G7/28

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

CA573530A Cited
US3097309A Cited
US3327058A Cited
US3319086A Cited
US3428746A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-10-19 1974-04-20 1974-10-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-10-19 1978-04-20 1978-10-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-10-19 1982-04-20 1982-10-20 $7700.00 Window Closed / Lapsed

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