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US3032009A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrophotographic developing apparatus

Assignee: RCA Corp
•
Filing: 1958-12-05
•
Granted: 1962-05-01
•
Expires: 1978-12-05
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Abstract

No abstract record available.

Inventors

  • 👤 Knut J Magnusson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 12:13
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/08; G03G15/09; G03G15/0822

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2887023A Cited
US2716048A Cited
US2854947A Cited
US2932278A Cited
US2857290A Cited
US2846333A Cited
US2832311A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-04-30 1965-10-30 1966-05-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-04-30 1969-10-30 1970-05-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-04-30 1973-10-30 1974-05-01 $7700.00 Window Closed / Lapsed

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