CH132105A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Centrifugal fan system.
Assignee: Kuendig B A
•
Filing: 1927-12-17
•
Granted: —
•
Expires: 1947-12-17
Abstract
No abstract record available.
Inventors
- 👤 Kuendig B A
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-22 21:33
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/70; F04D29/701; F04D29/703; F04D29/40; F04D29/42; F04D29/4206; F04D29/4226; F04D29/4246
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.