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US1772580A Expired / Lapsed US ⏱️ 0.0 years remaining

Sheet-feeding machine

Assignee: GEORGE W SWIFT JR INC
•
Filing: 1928-11-30
•
Granted: 1930-08-12
•
Expires: 1948-11-30
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Abstract

No abstract record available.

Inventors

  • 👤 Jr George W Swift

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 06:44
CPC Classifications
B; B65; B65H; B65H3/00; B65H3/24; B65H2301/00; B65H2301/40; B65H2301/42; B65H2301/423; B65H2301/4232; B65H2301/42322

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1933-08-11 1934-02-10 1934-08-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1937-08-11 1938-02-10 1938-08-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1941-08-11 1942-02-10 1942-08-12 $7700.00 Window Closed / Lapsed

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