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US1824889A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for producing compressed gases from liquefied gases

Assignee: FLUGA AKTIEN GES
•
Filing: 1927-11-12
•
Granted: 1931-09-29
•
Expires: 1947-11-12
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Abstract

No abstract record available.

Inventors

  • 👤 Heylandt Christian Wilhel Paul

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 09:45
CPC Classifications
F; F17; F17C; F17C9/00; F17C9/02; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/0119; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0338; F17C2221/00; F17C2221/01; F17C2221/011; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2225/00; F17C2225/01; F17C2225/0107; F17C2225/0123; F17C2227/00; F17C2227/03; F17C2227/0302; F17C2227/0367; F17C2227/0388; F17C2227/0393

Claims Analysis

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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) 1934-09-28 1935-03-30 1935-09-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1938-09-28 1939-03-30 1939-09-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1942-09-28 1943-03-30 1943-09-29 $7700.00 Window Closed / Lapsed

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