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US3425147A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: GUILHERME S MARX
•
Filing: 1966-01-26
•
Granted: 1969-02-04
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Expires: 1986-01-26
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Abstract

No abstract record available.

Inventors

  • 👤 Guilherme S Marx

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:36
CPC Classifications
G; G09; G09F; G09F1/00; G09F1/10; G09F1/12; A; A47; A47F; A47F11/00; A47F11/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1481120A Cited
US2403491A Cited
US2449204A Cited
US3200526A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-02-04 1972-08-05 1973-02-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-02-04 1976-08-05 1977-02-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-02-04 1980-08-05 1981-02-04 $7700.00 Window Closed / Lapsed

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