FR790685A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Spiral propeller
Assignee: Vogel Frederic
•
Filing: 1935-05-31
•
Granted: 1935-11-25
•
Expires: 1955-05-31
Abstract
No abstract record available.
Inventors
- 👤 Vogel Frederic
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 18:15
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/005
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.