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US2517322A Expired / Lapsed US ⏱️ 0.0 years remaining

Roller skate

Assignee: Individual
•
Filing: 1946-04-16
•
Granted: 1950-08-01
•
Expires: 1966-04-16
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Abstract

No abstract record available.

Inventors

  • 👤 Max K Kahle

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 21:13
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/02; A63C17/22

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US275482A Cited
US625276A Cited
US1547531A Cited
US853447A Cited
US1188377A Cited
US1181104A Cited
US1525443A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-07-31 1954-01-30 1954-08-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-07-31 1958-01-30 1958-08-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-07-31 1962-01-30 1962-08-01 $7700.00 Window Closed / Lapsed

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