DE319009C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Suspension device for electrical lighting with a canopy that can be slid against the ceiling
Assignee: Boeker & Krueger Elektrotechni
•
Filing: —
•
Granted: 1920-02-24
•
Expires: 1937-02-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-06 16:09
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/02
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.