DE1246977B
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Ventilation device, especially for cattle stalls
Assignee: Individual
•
Filing: 1964-11-18
•
Granted: —
•
Expires: 1984-11-18
Abstract
No abstract record available.
Inventors
- 👤 Claus Hellmann
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 22:42
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/01; A01K1/0047; F; F24; F24F; F24F13/00; F24F13/02; F24F13/04; F24F7/00; F24F7/04; F24F7/06; F24F8/00; F24F8/20; F24F8/24; F24F8/26
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.