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US3362901A Expired / Lapsed US ⏱️ 0.0 years remaining

Two stage hydrogenation of reduced crude

Assignee: Sinclair Research Inc
•
Filing: 1966-01-11
•
Granted: 1968-01-09
•
Expires: 1986-01-11
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Abstract

No abstract record available.

Inventors

  • 👤 Stephen L Szepe
  • 👤 Stanley C Haney

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 14:43
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/04; C10G; C10G2300/00; C10G2300/10; C10G2300/107

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2606141A Cited
US2775544A Cited
US2846358A Cited
US2943047A Cited
US3155607A Cited
US3227645A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-01-08 1971-07-10 1972-01-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-01-08 1975-07-10 1976-01-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-01-08 1979-07-10 1980-01-09 $7700.00 Window Closed / Lapsed

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