CH138676A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Impeller for centrifugal compressors and centrifugal pumps.
Assignee: Bbc Brown Boveri & Cie
•
Filing: 1929-05-08
•
Granted: —
•
Expires: 1949-05-08
Abstract
No abstract record available.
Inventors
- 👤 Cie Aktiengesellschaft Boveri
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-06 16:18
CPC Classifications
—
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.