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US2476250A Expired / Lapsed US ⏱️ 0.0 years remaining

Sheet assembling apparatus

Assignee: Ditto Inc
•
Filing: 1944-04-20
•
Granted: 1949-07-12
•
Expires: 1964-04-20
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Abstract

No abstract record available.

Inventors

  • 👤 Paulsen Christian

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 00:14
CPC Classifications
B; B42; B42C; B42C9/00; B42C9/0081; B42C9/0087

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US438838A Cited
US1131836A Cited
US1236054A Cited
US1345664A Cited
US1584020A Cited
US1807843A Cited
US1935031A Cited
US2222983A Cited
US2205443A Cited
US2260582A Cited
US2277924A Cited
US2394935A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-07-11 1953-01-10 1953-07-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-07-11 1957-01-10 1957-07-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-07-11 1961-01-10 1961-07-12 $7700.00 Window Closed / Lapsed

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