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US2507919A Expired / Lapsed US ⏱️ 0.0 years remaining

Umbrella

Assignee: Individual
•
Filing: 1948-03-25
•
Granted: 1950-05-16
•
Expires: 1968-03-25
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Abstract

No abstract record available.

Inventors

  • 👤 Frank J Mazzeo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 19:15
CPC Classifications
A; A45; A45B; A45B3/00; A45B3/02; A45B3/04; Y; Y10; Y10S; Y10S135/00; Y10S135/91

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US196586A Cited
US218243A Cited
US449716A Cited
US1166272A Cited
US1228810A Cited
US1274305A Cited
US1795268A Cited
US2136569A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-05-15 1953-11-14 1954-05-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-05-15 1957-11-14 1958-05-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-05-15 1961-11-14 1962-05-16 $7700.00 Window Closed / Lapsed

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