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US2265677A Expired / Lapsed US ⏱️ 0.0 years remaining

Fuel injection, compression ignition, oil engine

Assignee: ROBERT W BAIRD
•
Filing: 1939-03-24
•
Granted: 1941-12-09
•
Expires: 1959-03-24
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Abstract

No abstract record available.

Inventors

  • 👤 Straub Constantine Lee

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:25
CPC Classifications
F; F02; F02B; F02B25/00; F02B25/20; F02B25/24; F01; F01L; F01L1/00; F01L1/44; F01L1/443; F02B19/00; F02B19/08; F02B3/00; F02B2019/006; F02B2720/00; F02B2720/22; F02B2720/226; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12

Claims Analysis

Total Claims: 0
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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) 1944-12-08 1945-06-09 1945-12-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1948-12-08 1949-06-09 1949-12-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1952-12-08 1953-06-09 1953-12-09 $7700.00 Window Closed / Lapsed

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