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US2620126A Expired / Lapsed US ⏱️ 0.0 years remaining

Ventilator

Assignee: CONDA P BOGGS
•
Filing: 1949-08-15
•
Granted: 1952-12-02
•
Expires: 1969-08-15
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Abstract

No abstract record available.

Inventors

  • 👤 John L Lyne

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:23
CPC Classifications
F; F04; F04D; F04D25/00; F04D25/16; F04D25/166

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US307794A Cited
US2008965A Cited
US2039346A Cited
US2108738A Cited
US2553172A Cited
US2476692A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-12-02 1956-06-02 1956-12-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-12-02 1960-06-02 1960-12-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-12-02 1964-06-02 1964-12-02 $7700.00 Window Closed / Lapsed

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