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US3190264A Expired / Lapsed US ⏱️ 0.0 years remaining

Xerographic developing apparatus

Assignee: Xerox Corp
•
Filing: 1961-12-14
•
Granted: 1965-06-22
•
Expires: 1981-12-14
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Abstract

No abstract record available.

Inventors

  • 👤 Robert A Hunt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 21:26
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/08; G03G15/0801

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1696171A Cited
US2173032A Cited
US2395903A Cited
US2633780A Cited
US2810364A Cited
US2990278A Cited
US3045587A Cited
US3043685A Cited
US3013342A Cited
US3011474A Cited
US3053962A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-06-21 1968-12-21 1969-06-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-06-21 1972-12-21 1973-06-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-06-21 1976-12-21 1977-06-22 $7700.00 Window Closed / Lapsed

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