Patent DE512976C successfully refreshed from Google Patents.
DE512976C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Electrode insertion for mercury vapor vacuum apparatus
Assignee: Siemens Schuckertwerke AG
•
Filing: 1927-11-10
•
Granted: 1930-11-20
•
Expires: 1947-11-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 20:55
CPC Classifications
H; H01; H01J; H01J19/00; H01J19/62; C; C04; C04B; C04B37/00; C04B37/02; C04B37/023; C04B37/025; C04B37/026; H01B; H01B17/00; H01B17/26; H01B17/30; H01B17/38; H01B17/40; H01G; H01G4/00; H01G4/002; H01G4/228; H01G4/236; H01J13/00; H01J13/02; H01J13/26; H02; H02G; H02G15/00; C04B2235/00; C04B2235/02; C04B2235/50; C04B2235/52; C04B2235/5208; C04B2235/5268; C04B2237/00; C04B2237/02; C04B2237/04; C04B2237/06; C04B2237/062; C04B2237/12; C04B2237/125; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/341; C04B2237/40; C04B2237/405; C04B2237/406; C04B2237/407; C04B2237/50; C04B2237/55; C04B2237/86
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.