CH245322A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Method and device for the production of threads from minerals and other thermoplastic materials.
Assignee: P Hoffmann Fritz
•
Filing: 1944-11-13
•
Granted: —
•
Expires: 1964-11-13
Abstract
No abstract record available.
Inventors
- 👤 P Hoffmann Fritz
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-07 17:31
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/04; C03B37/05; C03B37/055; B; B29; B29C; B29C67/00
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.