Patent FR766759A successfully refreshed from Google Patents.
FR766759A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Two-speed hand drill with internal control by wheels and common worm screw
Assignee: Varenne Jean
•
Filing: 1934-01-09
•
Granted: 1934-07-04
•
Expires: 1954-01-09
Abstract
No abstract record available.
Inventors
- 👤 Varenne Jean
- 👤 Varenne Claudius
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 13:41
CPC Classifications
B; B23; B23B; B23B45/00; B23B45/06
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.