Patent FR829680A successfully refreshed from Google Patents.
FR829680A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Mobile device to increase the resistance to the advancement of an aircraft at will
Assignee: Roger Robert
•
Filing: 1937-03-03
•
Granted: 1938-07-04
•
Expires: 1957-03-03
Abstract
No abstract record available.
Inventors
- 👤 Roger Robert
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 03:19
CPC Classifications
B; B64; B64D; B64D27/00; B64D27/02; B64D27/023
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.