FR996149A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Mandrel intended more particularly for drilling crankshafts
Assignee: Roger-Edouard Martel
•
Filing: 1949-08-11
•
Granted: 1951-12-13
•
Expires: 1969-08-11
Abstract
No abstract record available.
Inventors
- 👤 Roger-Edouard Martel
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 09:39
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.