Patent US5606262A successfully refreshed from Google Patents.
Patent US2143252A successfully refreshed from Google Patents.
Patent US5199265A successfully refreshed from Google Patents.
Patent EP0048418A1 successfully refreshed from Google Patents.
Patent DE891583C successfully refreshed from Google Patents.
DE891583C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Electron-optical device, especially an over microscope
Assignee: AEG AG
•
Filing: 1943-08-20
•
Granted: 1953-09-28
•
Expires: 1963-08-20
Abstract
No abstract record available.
Inventors
- 👤 Ernst Dr-Ing Brueche
- 👤 Walter Zapp
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-29 17:12
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/02; H01J37/04; H01J37/09
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.