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US2496501A Expired / Lapsed US ⏱️ 0.0 years remaining

Umbrella

Assignee: UNITED WALLPAPER Inc
•
Filing: 1945-04-28
•
Granted: 1950-02-07
•
Expires: 1965-04-28
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Abstract

No abstract record available.

Inventors

  • 👤 Staunton Le Roy
  • 👤 Ralph L Atkinson
  • 👤 Edward J Hopkins

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 19:40
CPC Classifications
A; A45; A45B; A45B13/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1457679A Cited
US1501560A Cited
US1580864A Cited
US1752821A Cited
US2143978A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-02-06 1953-08-08 1954-02-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-02-06 1957-08-08 1958-02-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-02-06 1961-08-08 1962-02-07 $7700.00 Window Closed / Lapsed

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