Patent FR562035A successfully refreshed from Google Patents.
FR562035A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device for examining slides and for fixed and animated projection
Assignee: Francois-Joseph-Emma Ventujol
•
Filing: 1923-02-10
•
Granted: 1923-11-02
•
Expires: 1943-02-10
Abstract
No abstract record available.
Inventors
- 👤 Francois-Joseph-Emma Ventujol
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 10:45
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/10
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.