AT87088B
Expired / Lapsed
AT
⏱️ 0.0 years remaining
Friction roller change gear with two pairs of rollers that can be shifted on a central disk as a transmission disk.
Assignee: Ferdinand Wiss
•
Filing: 1919-10-14
•
Granted: 1922-01-25
•
Expires: 1939-10-14
Abstract
No abstract record available.
Inventors
- 👤 Ferdinand Wiss
- 👤 Ernst Wolf
Bibliographic Details
Application Number
—
Jurisdiction
AT
Data Source
google_patents
Last Synchronized
2026-10-26 20:11
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.