Patent CA875950A successfully refreshed from Google Patents.
CA875950A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Pinch bottom bag
Assignee: DuPont Canada Inc
•
Filing: 1969-05-21
•
Granted: 1971-07-20
•
Expires: 1989-05-21
Abstract
No abstract record available.
Inventors
- 👤 Gerald B. Dyer
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-25 04:57
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/16; B65D33/18; B65D31/00; B65D31/10
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.