CA873458A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Self-aspirating syringe
Assignee: Astra Pharma Inc
•
Filing: 1968-09-03
•
Granted: 1971-06-15
•
Expires: 1988-09-03
Abstract
No abstract record available.
Inventors
- 👤 Anthony F. Ritsky
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-28 12:33
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/24; A61M2005/2403; A61M2005/2414; A61M2005/2433; A61M2005/2437; A61M5/2455; A61M5/2466; A61M2005/247; A61M2005/2477; A61M5/31; A61M2005/3112; A61M5/3148; Y; Y10; Y10S; Y10S604/00; Y10S604/90
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.