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US2817322A Expired / Lapsed US ⏱️ 0.0 years remaining

Supercharged engine

Assignee: Individual
•
Filing: 1956-04-30
•
Granted: 1957-12-24
•
Expires: 1976-04-30
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Abstract

No abstract record available.

Inventors

  • 👤 Miller Ralph

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 22:46
CPC Classifications
F; F02; F02D; F02D13/00; F02D13/02; F02D13/028; F01; F01L; F01L13/00; F01L13/0005; F02B; F02B41/00; F02D13/0269; F02D13/0276; F02D23/00; F02B75/00; F02B75/02; F02B2075/022; F02B2075/025; F02B2075/027; F02B2275/00; F02B2275/32; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1301807A Cited
US1402573A Cited
US1384133A Cited
DE735002C Cited
US2292233A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-12-23 1961-06-24 1961-12-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-12-23 1965-06-24 1965-12-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-12-23 1969-06-24 1969-12-24 $7700.00 Window Closed / Lapsed

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