Patent FR669003A successfully refreshed from Google Patents.
FR669003A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Application of wood injected with synthetic resins to the construction of wedges or footings for railways
Assignee: LE BOIS BAKELISE
•
Filing: 1929-01-15
•
Granted: 1929-11-09
•
Expires: 1949-01-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 19:21
CPC Classifications
E; E01; E01B; E01B9/00; E01B9/68; E01B9/681
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.