Patent CA960396A successfully refreshed from Google Patents.
CA960396A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Fluorine-containing block copolymers
Assignee: 3M Co
•
Filing: 1971-08-16
•
Granted: 1974-12-31
•
Expires: 1991-08-16
Abstract
No abstract record available.
Inventors
- 👤 Robert L. Hansen
- 👤 David E. Rice
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-05 17:18
CPC Classifications
C; C08; C08F; C08F293/00; C08F283/00; C08F283/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.