Patent CH349043A successfully refreshed from Google Patents.
CH349043A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Method for emptying the water container of a dust and water suction device and device for carrying out the method
Assignee: Wettstein Otto
•
Filing: 1957-01-04
•
Granted: —
•
Expires: 1977-01-04
Abstract
No abstract record available.
Inventors
- 👤 Wettstein Otto
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-02 10:17
CPC Classifications
A; A47; A47L; A47L7/00; A47L7/0004; A47L7/0023; A47L7/0028; A47L7/0038; A47L7/0042
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.