CH286652A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Control switches, especially for regulating transformers.
Assignee: Smit & Willem & Co Nv
•
Filing: 1949-12-23
•
Granted: —
•
Expires: 1969-12-23
Abstract
No abstract record available.
Inventors
- 👤 Smit Co's Transformator Willem
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-05 18:41
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/0005; H01H9/0027
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.