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US3149120A Expired / Lapsed US ⏱️ 0.0 years remaining

3, 3'-dimethyl-6'-nitro-spiro

Assignee: NCR Voyix Corp
•
Filing: 1962-02-15
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Granted: 1964-09-15
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Expires: 1982-02-15
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Abstract

No abstract record available.

Inventors

  • 👤 Berman Elliot
  • 👤 David B Mcquain

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 20:23
CPC Classifications
C; C07; C07D; C07D263/00; C07D263/52; C07D263/54; C07D263/56; G; G03; G03C; G03C1/00; G03C1/685

Claims Analysis

Total Claims: 0
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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) 1967-09-15 1968-03-16 1968-09-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-09-15 1972-03-16 1972-09-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-09-15 1976-03-16 1976-09-15 $7700.00 Window Closed / Lapsed

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