Patent US2835784A successfully refreshed from Google Patents.
AT218957B
Expired / Lapsed
AT
⏱️ 0.0 years remaining
Pneumatic pipe conveyor system
Assignee: Schiff & Stern Ges M B H
•
Filing: 1960-03-25
•
Granted: 1962-01-10
•
Expires: 1980-03-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
AT
Data Source
google_patents
Last Synchronized
2026-10-25 22:22
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.