Patent US2549567A successfully refreshed from Google Patents.
Patent US3642964A successfully refreshed from Google Patents.
CA700412A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Device for producing cellular bodies of thermoplastics
Assignee: Wmb International AB
•
Filing: —
•
Granted: 1964-12-22
•
Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 Berner Erling
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-24 03:51
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/375; B29C48/385; B29C48/001; B29C48/0012; B29C48/022; B29C48/50; B29C48/72; B29C48/725; B29C48/505; B29C48/52; B29C48/525; B29K; B29K2105/00
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.