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US1815178A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of producing a combustible charge for use in internal combustion engines

Assignee: BREV CATALEX SOC
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Filing: 1928-10-10
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Granted: 1931-07-21
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Expires: 1948-10-10
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Abstract

No abstract record available.

Inventors

  • 👤 Balachwsky Dmitry
  • 👤 Caire Philippe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 01:43
CPC Classifications
F; F02; F02M; F02M31/00; F02M31/02; F02M31/16; F02M31/18; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12

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) 1934-07-20 1935-01-19 1935-07-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1938-07-20 1939-01-19 1939-07-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1942-07-20 1943-01-19 1943-07-21 $7700.00 Window Closed / Lapsed

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