FR1129220A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
High efficiency photovoltaic cells
Assignee: Francois Gans
•
Filing: 1955-07-25
•
Granted: 1957-01-17
•
Expires: 1975-07-25
Abstract
No abstract record available.
Inventors
- 👤 Francois Gans
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 11:15
CPC Classifications
H; H10; H10W; H10W90/00; H10F; H10F19/00; H10F19/40; Y; Y02; Y02E; Y02E10/00; Y02E10/50
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.