Patent US3127409A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3127409A Expired / Lapsed US ⏱️ 0.0 years remaining

Novel dihydropyridobenzoxazepines and dihydropyridobenzthiazepines

Assignee: Olin Corp
•
Filing: 1962-08-08
•
Granted: 1964-03-31
•
Expires: 1982-08-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Harry L Yale
  • 👤 Francis A Sowinski
  • 👤 Bernstein Jack

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 23:35
CPC Classifications
C; C07; C07D; C07D513/00; C07D513/02; C07D513/04

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF BASES OF THE FORMULA
Claim 2
Dependent Claim 12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF BASES OF THE FORMULA
Claim 3
Dependent Claim 6 words
DI(LOWER ALKYL)AMINO(LOWER ALKYL) 5,10-DIHYDROPYRIDO(3,2-B) (4,1)BENZOXAZEPIN-5-YL KETONE.
Claim 4
Dependent Claim 6 words
DI(LOWER ALKYL)AMINO(LOWER ALKYL) 5,10-DIHYDROPYRIDO(3,2-B) (4,1)BENZOXAZEPIN-5-YL KETONE.

References Cited (Backward Citations)

US2974139A Cited
US2943086A Cited
FR1176115A Cited
US3038896A Cited
US3079400A Cited
US3079393A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-03-31 1967-09-30 1968-03-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-03-31 1971-09-30 1972-03-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-03-31 1975-09-30 1976-03-31 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag