← Back to Patent Explorer
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
📄 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 2026-10-31 18:01
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.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag