Patent FR557883A successfully refreshed from Google Patents.
FR557883A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Staircase
Assignee: Emile Bion
•
Filing: 1922-10-27
•
Granted: 1923-08-17
•
Expires: 1942-10-27
Abstract
No abstract record available.
Inventors
- 👤 Emile Bion
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 04:36
CPC Classifications
E; E04; E04F; E04F11/00; E04F11/02; E04F11/022
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.