← Back to Patent Explorer
US3135743A Expired / Lapsed US ⏱️ 0.0 years remaining

Steroido[2. 3-d]isoxazoles and preparation thereof

Assignee: STWB Inc
•
Filing: 1960-06-29
•
Granted: 1964-06-02
•
Expires: 1980-06-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Raymond O Clinton
  • 👤 Manson Andrew John

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 06:38
CPC Classifications
C; C07; C07D; C07D261/00; C07D261/20; C07J; C07J41/00; C07J71/00; C07J75/00

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) COMPOUNDS HAVING THE FORMULA

References Cited (Backward Citations)

US3052693A Cited
US3063990A Cited
US3035068A Cited
US3100771A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-06-02 1967-12-02 1968-06-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-06-02 1971-12-02 1972-06-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-06-02 1975-12-02 1976-06-02 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag