Patent US327814A successfully refreshed from Google Patents.
Patent DE742239C successfully refreshed from Google Patents.
DE742239C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Wing adjustment device for wind power plants
Assignee: MAN AG
•
Filing: 1941-03-01
•
Granted: 1943-11-26
•
Expires: 1961-03-01
Abstract
No abstract record available.
Inventors
- 👤 Friedrich Duwe
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 12:57
CPC Classifications
F; F03; F03D; F03D7/00; F03D7/02; F03D7/022; F03D7/0224; F05; F05B; F05B2260/00; F05B2260/70; F05B2260/74; F05B2260/76; F05B2260/78; F05B2270/00; F05B2270/30; F05B2270/32; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE221594C
Cited
DE2289C
Cited
US789497A
Cited
FR439478A
Cited
US1142538A
Cited
DE380624C
Cited
US2217950A
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.