Patent DE737057C successfully refreshed from Google Patents.
DE737057C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Incandescent lamp, the bell of which is closed off by a cap made of translucent fabric and held in place by a wire bracket that is invisible from the outside
Assignee: Siemens Corp
•
Filing: 1936-05-24
•
Granted: 1943-07-05
•
Expires: 1956-05-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-07 21:23
CPC Classifications
F; F21; F21V; F21V17/00; F21V17/08; F21V3/00; F21V3/02
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.