Patent CA610679A successfully refreshed from Google Patents.
CA610679A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Silica-magnesia catalyst
Assignee: Wyeth Holdings LLC
•
Filing: —
•
Granted: 1960-12-13
•
Expires: 1977-12-13
Abstract
No abstract record available.
Inventors
- 👤 B. Innes William
- 👤 W. Michael Malden
- 👤 D. Pennell John
- 👤 Chomitz Nicholas
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-26 03:07
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.