FR339231A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for the preparation of stereoscopic positive plates or images, and apparatus for the direct vision of said stereotypes
Assignee: Individual
•
Filing: 1903-12-23
•
Granted: 1905-01-26
•
Expires: 1923-12-23
Abstract
No abstract record available.
Inventors
- 👤 Edmond Bloch
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 15:48
CPC Classifications
G; G02; G02B; G02B30/00; G02B30/20; G02B30/34
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.