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US3417146A Expired / Lapsed US ⏱️ 0.0 years remaining

Preparation of nitrated aromatic ethers

Assignee: Universal Oil Products Co
•
Filing: 1967-03-31
•
Granted: 1968-12-17
•
Expires: 1987-03-31
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Abstract

No abstract record available.

Inventors

  • 👤 Carl B Linn
  • 👤 Jerome A Vesely

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 16:30
CPC Classifications
C; C07; C07B; C07B43/00; C07B43/02; C07C; C07C201/00; C07C201/06; C07C201/08; C07C319/00; C07C319/14; C07C319/20

Claims Analysis

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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-12-17 1972-06-17 1972-12-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-12-17 1976-06-17 1976-12-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-12-17 1980-06-17 1980-12-17 $7700.00 Window Closed / Lapsed

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