FR1197597A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for manufacturing smooth pipes, in particular thin-walled pipes made of thermoplastic materials, and a heated extruder head for its implementation
Assignee: Lonza AG
•
Filing: 1958-07-04
•
Granted: 1959-12-01
•
Expires: 1978-07-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 18:41
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/32; B29C48/34; B29C48/03; B29C48/09; B29C48/10; B29K; B29K2027/00; B29K2027/06; B29K2995/00; B29K2995/0037; B29K2995/0072; B29K2995/0073
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.