Patent DE28303C successfully refreshed from Google Patents.
DE28303C
Active / In Force
DE
Innovations in electric arc lamps
Assignee: J. E. L. CLARK und W. J. K. CLARK in Brixton und R. D. BOWMAN in Leytonstone, England
•
Filing: —
•
Granted: —
•
Expires: —
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-01 14:47
CPC Classifications
H; H05; H05B; H05B31/00; H05B31/0081; H05B31/009
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.