Patent CA899715A successfully refreshed from Google Patents.
CA899715A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Plug for bore holes
Assignee: Individual
•
Filing: 1969-08-05
•
Granted: 1972-05-09
•
Expires: 1989-08-05
Abstract
No abstract record available.
Inventors
- 👤 Hyrve Arnold
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-03 14:55
CPC Classifications
F; F42; F42D; F42D1/00; F42D1/08; F42D1/18
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.