CA963339A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Aspiration drainage device
Assignee: Astra Meditec AB
•
Filing: 1971-02-02
•
Granted: 1975-02-25
•
Expires: 1991-02-02
Abstract
No abstract record available.
Inventors
- 👤 Hans Tillander
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-26 07:16
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/64; A61M1/68; A61M1/684; A61M1/60; A61M1/63
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.