Patent DE529040C successfully refreshed from Google Patents.
DE529040C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Method of measuring distances using wave energy
Assignee: Siemens and Halske AG
•
Filing: 1928-11-02
•
Granted: 1931-07-10
•
Expires: 1948-11-02
Abstract
No abstract record available.
Inventors
- 👤 Dipl-Ing Karl Eisenzapf
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 16:19
CPC Classifications
G; G01; G01S; G01S15/00; G01S15/02; G01S15/06; G01S15/08; G01S15/32
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.