DE515595C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for lowering the groundwater under water
Assignee: Siemens Bauunion GmbH
•
Filing: —
•
Granted: 1931-04-17
•
Expires: 1948-04-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-30 15:16
CPC Classifications
E; E02; E02D; E02D19/00; E02D19/06; E02D19/10
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.