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US1942944A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for dispensing gas material

Assignee: Linde Air Products Co
•
Filing: 1933-06-13
•
Granted: 1934-01-09
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Expires: 1953-06-13
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Abstract

No abstract record available.

Inventors

  • 👤 Hallam C Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 13:13
CPC Classifications
F; F17; F17C; F17C7/00; F17C7/02; F17C7/04; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0332; F17C2205/0338; F17C2221/00; F17C2221/01; F17C2221/011; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2225/00; F17C2225/01; F17C2225/0107; F17C2225/0123; F17C2227/00; F17C2227/03; F17C2227/0302; F17C2227/0367; F17C2227/0388; F17C2227/0393; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2562; Y10T137/6416; Y10T137/6552

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1937-01-08 1937-07-10 1938-01-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1941-01-08 1941-07-10 1942-01-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1945-01-08 1945-07-10 1946-01-09 $7700.00 Window Closed / Lapsed

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