CH201894A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Device for cleaning sewer pipes.
Assignee: Camenzind Rose
•
Filing: 1938-02-24
•
Granted: —
•
Expires: 1958-02-24
Abstract
No abstract record available.
Inventors
- 👤 Camenzind Rose
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-06 19:38
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/30; E03C1/304; E03C1/306
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.