Patent US520747A successfully refreshed from Google Patents.
Patent FR1102115A successfully refreshed from Google Patents.
FR1102115A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Polishing disc improvements
Assignee: Jean David
•
Filing: 1954-03-30
•
Granted: 1955-10-17
•
Expires: 1974-03-30
Abstract
No abstract record available.
Inventors
- 👤 Jean David
- 👤 Francois David
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 04:24
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/02; B24D13/08
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.