Patent US5707513A successfully refreshed from Google Patents.
Patent US1466167A successfully refreshed from Google Patents.
Patent DE872477C successfully refreshed from Google Patents.
DE872477C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Floating suction dredger with a conveyor screw built into the conveyor channel
Assignee: FENDEL SCHIFFAHRTS AG
•
Filing: 1941-03-20
•
Granted: 1953-04-02
•
Expires: 1961-03-20
Abstract
No abstract record available.
Inventors
- 👤 Fritz Fendel
- 👤 Ludwig Dipl-Ing Kort
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 21:10
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/88; E02F3/90; E02F3/92; E02F3/9243
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.