DE442401C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for limiting the exposure time for X-ray tubes
Assignee: Individual
•
Filing: —
•
Granted: 1927-03-30
•
Expires: 1944-03-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 13:35
CPC Classifications
G; G21; G21K; G21K1/00; G21K1/02; G21K1/04; H; H05; H05G; H05G1/00; H05G1/08; H05G1/26; H05G1/30; H05G1/38; H05G1/40
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.