CH358501A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Electrical protective circuit device with spark gap
Assignee: Sorensen & Co Inc
•
Filing: 1958-01-13
•
Granted: —
•
Expires: 1978-01-13
Abstract
No abstract record available.
Inventors
- 👤 Wouk Victor
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-27 16:22
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/02; H02H3/021; H02H3/023; H02H3/08; H02H3/087; H02H3/44; H02H3/445
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.