FR1234252A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Plates fitted with slots of variable sections for ceilings or walls of living spaces provided with air conditioning and possibly acoustic control
Assignee: Leon-Anatole Hoffman
•
Filing: 1959-05-13
•
Granted: 1960-10-17
•
Expires: 1979-05-13
Abstract
No abstract record available.
Inventors
- 👤 Leon-Anatole Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 21:46
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/02
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.