Patent SU1175435A1 successfully refreshed from Google Patents.
DE2455401A1
Expired / Lapsed
DE
⏱️ 0.0 years remaining
DEVICE FOR ULTRASONIC IMPULSE ECHO EXPLORATION
Assignee: Danish Academy of Technical Sciences
•
Filing: 1974-11-22
•
Granted: —
•
Expires: 1994-11-22
Abstract
No abstract record available.
Inventors
- 👤 Allan Northeved
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 05:16
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0644; B06B1/0662; B06B1/0681; B06B1/0685; A; A61; A61B; A61B8/00; A61B8/08; A61B8/0833
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.