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US3548524A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: ALAN G ROHNOW
•
Filing: 1968-03-18
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Granted: 1970-12-22
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Expires: 1988-03-18
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Abstract

No abstract record available.

Inventors

  • 👤 Alan G Rohnow

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 18:09
CPC Classifications
G; G09; G09F; G09F11/00; G09F11/02; G09F23/00; G09F2023/0016

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US729736A Cited
US973403A Cited
US2115353A Cited
US2558538A Cited
US3424872A Cited
US3358396A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-12-21 1974-06-22 1974-12-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-12-21 1978-06-22 1978-12-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-12-21 1982-06-22 1982-12-22 $7700.00 Window Closed / Lapsed

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