Patent DE911208C successfully refreshed from Google Patents.
DE911208C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Lip whistle for hand bellows instruments
Assignee: Individual
•
Filing: 1951-10-13
•
Granted: 1954-05-10
•
Expires: 1971-10-13
Abstract
No abstract record available.
Inventors
- 👤 Gerhard Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-06 08:51
CPC Classifications
G; G10; G10B; G10B3/00; G10B3/08; G10D; G10D11/00
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.