CA656062A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Underground sheeting methods
Assignee: CONTACT SHEETING
•
Filing: —
•
Granted: 1963-01-15
•
Expires: 1980-01-15
Abstract
No abstract record available.
Inventors
- 👤 J. Coakley Alfred
- 👤 S. Booth Weldon
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-05 02:16
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.