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US2559079A Expired / Lapsed US ⏱️ 0.0 years remaining

Engine

Assignee: Individual
•
Filing: 1947-10-15
•
Granted: 1951-07-03
•
Expires: 1967-10-15
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Abstract

No abstract record available.

Inventors

  • 👤 Casimir E Leja

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 19:37
CPC Classifications
F; F02; F02B; F02B75/00; F02B75/34; F02B75/02; F02B2075/022; F02B2075/027; Y; Y10; Y10S; Y10S123/00; Y10S123/03

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US615766A Cited
US1447245A Cited
US815779A Cited
US872571A Cited
US1422729A Cited
US1974802A Cited
US2085976A Cited
US2252600A Cited
US2419274A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-07-02 1955-01-01 1955-07-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-07-02 1959-01-01 1959-07-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-07-02 1963-01-01 1963-07-03 $7700.00 Window Closed / Lapsed

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