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US3296133A Expired / Lapsed US ⏱️ 0.0 years remaining

2-stroke engine lubricants

Assignee: Shell USA Inc
•
Filing: 1963-11-22
•
Granted: 1967-01-03
•
Expires: 1983-11-22
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Abstract

No abstract record available.

Inventors

  • 👤 Ratner Hyman
  • 👤 Townsend Merlyn
  • 👤 Gouley Romeo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 11:20
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/026; C10M2207/04; C10M2207/046; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/062; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/084; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/06; C10M2223/063; C10M2223/065; C10M2227/00; C10M2227/08; C10M2227/082; C10N; C10N2010/00; C10N2010/14; C10N2010/16; C10N2040/00; C10N2040/25; C10N2040/255; C10N2040/26; C10N2050/00; C10N2050/10; F; F02; F02B; F02B3/00; F02B3/06; Y; Y10; Y10S; Y10S220/00; Y10S220/902

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2291396A Cited
US2622067A Cited
US3041279A Cited
US3110673A Cited
US3216936A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-01-02 1970-07-04 1971-01-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-01-02 1974-07-04 1975-01-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-01-02 1978-07-04 1979-01-03 $7700.00 Window Closed / Lapsed

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