DE550221C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Differential gear for two concentric opposing shafts of a helicopter plane
Assignee: Individual
•
Filing: 1931-01-09
•
Granted: 1932-05-06
•
Expires: 1951-01-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 06:16
CPC Classifications
B; B64; B64C; B64C27/00; B64C27/04; B64C27/08; B64C27/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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