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US3044190A Expired / Lapsed US ⏱️ 0.0 years remaining

Inflatable sole and heel structure with replaceable tread portions

Assignee: Individual
•
Filing: 1959-12-18
•
Granted: 1962-07-17
•
Expires: 1979-12-18
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Abstract

No abstract record available.

Inventors

  • 👤 Urbany Urban

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 04:51
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/14; A43B13/18; A43B13/20; A43B13/206

Claims Analysis

Total Claims: 0
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-07-16 1966-01-15 1966-07-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-07-16 1970-01-15 1970-07-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-07-16 1974-01-15 1974-07-17 $7700.00 Window Closed / Lapsed

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