Patent USB491711I5 successfully refreshed from Google Patents.
← Back to Patent Explorer
USB491711I5 Expired / Lapsed US ⏱️ 0.0 years remaining

USB491711I5 - - Google Patents

Assignee: —
•
Filing: 1974-07-25
•
Granted: —
•
Expires: 1994-07-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 14:37
CPC Classifications
C; C07; C07D; C07D309/00; C07D309/02; C07D309/08; C07D309/10; C07D309/12; C07C; C07C405/00

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

US3728382A Cited
US3804889A Cited
US3804890A Cited
US3812172A Cited
US3812179A Cited
US3845042A Cited

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag