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US2502153A Expired / Lapsed US ⏱️ 0.0 years remaining

Roller skate

Assignee: UNION HARDWARE Co
•
Filing: 1947-12-26
•
Granted: 1950-03-28
•
Expires: 1967-12-26
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Abstract

No abstract record available.

Inventors

  • 👤 Edward M Jack

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 23:23
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1044187A Cited
US2100584A Cited
US2201990A Cited
US2300477A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-03-27 1953-09-26 1954-03-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-03-27 1957-09-26 1958-03-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-03-27 1961-09-26 1962-03-28 $7700.00 Window Closed / Lapsed

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