CH333018A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Positive pressure ventilation device
Assignee: Medizintechnik Leipzig Veb
•
Filing: 1955-03-22
•
Granted: —
•
Expires: 1975-03-22
Abstract
No abstract record available.
Inventors
- 👤 Hammerschmidt Harald
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-05 16:01
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/20; A61M16/201; A61M16/206
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.