CA861466A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Carpet underlay
Assignee: Polysar Ltd
•
Filing: 1969-09-24
•
Granted: 1971-01-19
•
Expires: 1989-09-24
Abstract
No abstract record available.
Inventors
- 👤 Ernest G. Pole
- 👤 Ian G. Cooper
- 👤 Ian W. Fox
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-01 17:35
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/30; C08J2309/00; C08J2321/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.