FR66821E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
tubular element scaffolding
Assignee: Henri-Marie-Georges Helain
•
Filing: 1954-08-12
•
Granted: 1957-09-10
•
Expires: 1974-08-12
Abstract
No abstract record available.
Inventors
- 👤 Henri-Marie-Georges Helain
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 10:53
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/38; E04B1/58; E04B1/5825; E04B1/5837; E04B1/5843; E04G; E04G7/00; E04G7/30; E04G7/302; E04G7/306; E04G7/308; E04B2001/5868
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.