Patent CA921697A successfully refreshed from Google Patents.
CA921697A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Skate
Assignee: Individual
•
Filing: 1971-06-17
•
Granted: 1973-02-27
•
Expires: 1991-06-17
Abstract
No abstract record available.
Inventors
- 👤 H. Scott William
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-27 14:19
CPC Classifications
A; A43; A43B; A43B23/00; A43B23/08; A43B23/081; A43B1/00; A43B1/0018; A43B5/00; A43B5/16; A43B5/1666; A43B5/1683; A43C; A43C11/00
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.