Patent US1573356A successfully refreshed from Google Patents.
Patent US5290390A successfully refreshed from Google Patents.
Patent FR1027502A successfully refreshed from Google Patents.
FR1027502A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Infra-red ray emitter-projector device
Assignee: Raymond Lejay
•
Filing: 1950-11-09
•
Granted: 1953-05-12
•
Expires: 1970-11-09
Abstract
No abstract record available.
Inventors
- 👤 Raymond Lejay
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 15:32
CPC Classifications
F; F23; F23C; F23C99/00; F23C2700/00; F23C2700/04; F23C2700/046
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.