Patent US309840A successfully refreshed from Google Patents.
Patent AT132272B successfully refreshed from Google Patents.
AT132272B
Expired / Lapsed
AT
⏱️ 0.0 years remaining
Device for collecting, dispersing, directional transmission and reception of electrical waves.
Assignee: Paul Dr Ernst
•
Filing: 1930-08-04
•
Granted: 1933-03-10
•
Expires: 1950-08-04
Abstract
No abstract record available.
Inventors
- 👤 Paul Dr Ernst
Bibliographic Details
Application Number
—
Jurisdiction
AT
Data Source
google_patents
Last Synchronized
2026-10-25 17:48
CPC Classifications
—
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.