Patent US4711434A successfully refreshed from Google Patents.
Patent US3544354A successfully refreshed from Google Patents.
Patent US1930077A successfully refreshed from Google Patents.
Patent DE701305C successfully refreshed from Google Patents.
DE701305C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Electromagnetically influenced epicyclic gearbox with two spur gearboxes connected in series
Assignee: Individual
•
Filing: 1937-05-25
•
Granted: 1941-01-13
•
Expires: 1957-05-25
Abstract
No abstract record available.
Inventors
- 👤 Jean Cotal
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-06 13:02
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/62; F16H3/64; F16H63/00; F16H63/02; F16H63/30; F16H2720/00
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.