DE725286C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of the semiconductor layer of selenium dry rectifiers or photocells
Assignee: AEG AG
•
Filing: 1938-09-29
•
Granted: 1942-09-18
•
Expires: 1958-09-29
Abstract
No abstract record available.
Inventors
- 👤 Dr Phil Carl Bosch
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-06 15:44
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/01; H10D48/04; H10D48/043; H10D48/0431; H10P; H10P14/00; H10P14/20; H10P14/26; H10P14/265; H10P14/34; H10P14/3402
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.