Patent US4521647A successfully refreshed from Google Patents.
Patent US2741667A successfully refreshed from Google Patents.
Patent US543903A successfully refreshed from Google Patents.
Patent DE658303C successfully refreshed from Google Patents.
DE658303C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Electric socket that can be lowered into a pit
Assignee: Schanzenbach & Co GmbH
•
Filing: —
•
Granted: 1938-03-25
•
Expires: 1955-03-25
Abstract
No abstract record available.
Inventors
- 👤 Dipl-Ing Otto Von Ramdohr
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-01 11:30
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/18; H02G3/185
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.