Patent CH392045A successfully refreshed from Google Patents.
CH392045A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Feeding device for single-screw extrusions
Assignee: Barmag Barmer Maschf
•
Filing: 1962-04-03
•
Granted: —
•
Expires: 1982-04-03
Abstract
No abstract record available.
Inventors
- 👤 Roehlig Guenter
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-03 23:51
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/375; B29C48/38; B29C48/285; B29C48/288; B29C48/03
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.