Patent CH478962A successfully refreshed from Google Patents.
CH478962A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Drainage device
Assignee: Neumann Terrasan G
•
Filing: 1968-08-05
•
Granted: —
•
Expires: 1988-08-05
Abstract
No abstract record available.
Inventors
- 👤 Gunter Neumann
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-08 17:52
CPC Classifications
E; E02; E02B; E02B11/00; E02B11/005
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.