Patent US3388859A successfully refreshed from Google Patents.
DE584990C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Electric handle switch device for the working end of flexible shafts
Assignee: Individual
•
Filing: 1931-04-11
•
Granted: 1933-09-27
•
Expires: 1951-04-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-28 10:53
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02; H01H21/04; H01H21/10
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.