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US2156301A Expired / Lapsed US ⏱️ 0.0 years remaining

Cushion support

Assignee: Individual
•
Filing: 1936-12-05
•
Granted: 1939-05-02
•
Expires: 1956-12-05
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Abstract

No abstract record available.

Inventors

  • 👤 Julian S Loewus

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:18
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/36; F16F1/371; B; B60; B60G; B60G2202/00; B60G2202/10; B60G2202/14; B60G2202/143; B60G2204/00; B60G2204/10; B60G2204/12; B60G2204/125; B60G2204/40; B60G2204/45; B60G2204/4504

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1942-05-01 1942-10-31 1943-05-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1946-05-01 1946-10-31 1947-05-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1950-05-01 1950-10-31 1951-05-02 $7700.00 Window Closed / Lapsed

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