FR658818A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Abrasive file and its manufacturing process
Assignee: Albert Poullin
•
Filing: 1928-08-09
•
Granted: 1929-06-20
•
Expires: 1948-08-09
Abstract
No abstract record available.
Inventors
- 👤 Albert Poullin
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 23:02
CPC Classifications
B; B23; B23D; B23D71/00
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.