Patent CA962486A successfully refreshed from Google Patents.
CA962486A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Drag chain
Assignee: Portec Inc
•
Filing: 1972-04-04
•
Granted: 1975-02-11
•
Expires: 1992-04-04
Abstract
No abstract record available.
Inventors
- 👤 Francis E. Trudeau
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-04 09:05
CPC Classifications
—
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.