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US2917239A Expired / Lapsed US ⏱️ 0.0 years remaining

Modulating and safety shut-off fuel control device

Assignee: Baso Inc
•
Filing: 1953-10-12
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Granted: 1959-12-15
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Expires: 1973-10-12
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Abstract

No abstract record available.

Inventors

  • 👤 Russell B Matthews

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 17:31
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/10; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US510017A Cited
US1185347A Cited
US1684530A Cited
US2085300A Cited
US2040762A Cited
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US2724409A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-12-14 1963-06-15 1963-12-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-12-14 1967-06-15 1967-12-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-12-14 1971-06-15 1971-12-15 $7700.00 Window Closed / Lapsed

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