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US3373685A Expired / Lapsed US ⏱️ 0.0 years remaining

Control means in mail separating cancelling and stacking machines

Assignee: Friden Inc
•
Filing: 1966-01-11
•
Granted: 1968-03-19
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Expires: 1986-01-11
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Abstract

No abstract record available.

Inventors

  • 👤 Richard C Adams

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 15:47
CPC Classifications
B; B07; B07C; B07C1/00; B07C1/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2350703A Cited
US1228460A Cited
US1633245A Cited
US2352802A Cited
US2342190A Cited
US2551468A Cited
US2443791A Cited
US2448830A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-03-19 1971-09-18 1972-03-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-03-19 1975-09-18 1976-03-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-03-19 1979-09-18 1980-03-19 $7700.00 Window Closed / Lapsed

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