FR501685A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Fastening pad for double mushroom rails on metal sleepers
Assignee: DOUGREE MARIHAYE SA
•
Filing: 1919-07-16
•
Granted: 1920-04-21
•
Expires: 1939-07-16
Abstract
No abstract record available.
Inventors
- 👤 Ougree-Marihaye D
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 09:31
CPC Classifications
E; E01; E01B; E01B9/00; E01B9/02; E01B9/22; E01B9/24
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.