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US2772086A Expired / Lapsed US ⏱️ 0.0 years remaining

Controlled gradient compression leaf spring

Assignee: Majik Ironers Inc
•
Filing: 1954-05-03
•
Granted: 1956-11-27
•
Expires: 1974-05-03
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Abstract

No abstract record available.

Inventors

  • 👤 Edwin E Foster

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 05:43
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/02; F16F1/18; F16F2236/00; F16F2236/02; F16F2236/027

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE124109C Cited
US1899558A Cited
GB472251A Cited
US2296175A Cited
GB543423A Cited
US2654597A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-11-27 1960-05-28 1960-11-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-11-27 1964-05-28 1964-11-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-11-27 1968-05-28 1968-11-27 $7700.00 Window Closed / Lapsed

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