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US2509650A Expired / Lapsed US ⏱️ 0.0 years remaining

Film feeding presser

Assignee: PRISMACOLOR Inc
•
Filing: 1947-02-17
•
Granted: 1950-05-30
•
Expires: 1967-02-17
📄 Original PDF 🌐 Google Patents

Abstract

No abstract record available.

Inventors

  • 👤 Frederic E Oakhill

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 01:41
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/42; G03B1/48; G03B1/50

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE437805C Cited
US1857116A Cited
US2178242A Cited
US2369089A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-05-29 1953-11-28 1954-05-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-05-29 1957-11-28 1958-05-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-05-29 1961-11-28 1962-05-30 $7700.00 Window Closed / Lapsed

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