Patent FR496747A successfully refreshed from Google Patents.
FR496747A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Flying machines
Assignee: Individual
•
Filing: 1918-06-19
•
Granted: 1919-11-14
•
Expires: 1938-06-19
Abstract
No abstract record available.
Inventors
- 👤 John Felix Kahl
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 17:27
CPC Classifications
B; B64; B64C; B64C35/00; B64C35/001; B64C35/003; B64C35/008; H; H01; H01J; H01J31/00; H01J31/02; H01J31/04
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.