Patent US420970A successfully refreshed from Google Patents.
Patent FR928656A successfully refreshed from Google Patents.
← Back to Patent Explorer
FR928656A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements to abrasive products and method of manufacturing a sheet product coated with endless abrasive

Assignee: 3M Co
•
Filing: 1945-12-18
•
Granted: 1947-12-04
•
Expires: 1965-12-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-08 17:42
CPC Classifications
B; B24; B24D; B24D11/00; B24D11/06; B29; B29C; B29C65/00; B29C65/48; B29C65/4805; B29C65/483; B29C65/4835; B29C65/50; B29C65/5007; B29C65/5021; B29C65/5028; B29C65/5042; B29C65/505; B29C65/56; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/114; B29C66/1142; B29C66/20; B29C66/22; B29C66/223; B29C66/227; B29C66/2276; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/4322; B29C66/4324; B29C66/4329; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1066; Y10T428/00; Y10T428/19; Y10T428/192; Y10T428/197

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.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag