Patent US4367143A successfully refreshed from Google Patents.
Patent FR712472A successfully refreshed from Google Patents.
FR712472A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for the indirect production of color photographs
Assignee: Bela Gaspar
•
Filing: 1931-02-21
•
Granted: 1931-10-02
•
Expires: 1951-02-21
Abstract
No abstract record available.
Inventors
- 👤 Bela Gaspar
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 19:03
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/26
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.