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US3067203A Expired / Lapsed US ⏱️ 0.0 years remaining

Tetrahybroisqquinoline derivatives

Assignee: —
•
Filing: —
•
Granted: 1962-12-04
•
Expires: 1979-12-04
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 13:01
CPC Classifications
C; C07; C07D; C07D217/00; C07D217/12; C07D217/18; C07D217/20; C07D217/02; C07D217/04; C07D217/22; C07D217/26

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF BASES REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim 13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF BASES REPRESENTED BY THE FORMULA

References Cited (Backward Citations)

US2683146A Cited
US2683713A Cited
US2721212A Cited
US2721213A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-12-03 1966-06-04 1966-12-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-12-03 1970-06-04 1970-12-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-12-03 1974-06-04 1974-12-04 $7700.00 Window Closed / Lapsed

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