FR853775A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
New advanced hydro-electric unit
Assignee: Noe L Bertholon
•
Filing: 1938-11-10
•
Granted: 1940-03-28
•
Expires: 1958-11-10
Abstract
No abstract record available.
Inventors
- 👤 Noe L Bertholon
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 18:59
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/18; H02K7/1807; H02K7/1823; F; F03; F03B; F03B13/00; F03B13/08; Y; Y02; Y02E; Y02E10/00; Y02E10/20
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.