← Back to Patent Explorer
US3362956A Expired / Lapsed US ⏱️ 0.0 years remaining

1-[(heterocyclyl)-lower-alkyl]-4-substituted-piperazines

Assignee: STWB Inc
•
Filing: 1965-08-19
•
Granted: 1968-01-09
•
Expires: 1985-08-19
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Archer Sydney

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 02:34
CPC Classifications
C; C07; C07D; C07D403/00; C07D403/02; C07D403/06; C07D209/00; C07D209/56; C07D209/58; C07D209/60; C07D215/00; C07D215/02; C07D215/16; C07D215/48; C07D215/54; C07D217/00; C07D217/12; C07D217/14; C07D231/00; C07D231/54; C07D231/56; C07D233/00; C07D233/54; C07D233/64; C07D235/00; C07D235/02; C07D235/04; C07D235/06; C07D235/14; C07D295/00; C07D295/04; C07D295/06; C07D295/073; C07D295/12; C07D295/125; C07D295/13; C07D295/14; C07D295/145; C07D295/15; C07D333/00; C07D333/50; C07D333/52; C07D333/54; C07D333/60; C07D471/00; C07D471/02; C07D471/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim 5 words
A COMPOUND OF THE FORMULA

References Cited (Backward Citations)

US3004978A Cited
US3177219A Cited
US2909523A Cited
US3133056A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-01-08 1971-07-10 1972-01-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-01-08 1975-07-10 1976-01-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-01-08 1979-07-10 1980-01-09 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag