US3065500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making coherent bodies from expandable granules of thermoplastic
Assignee: Wmb International AB
•
Filing: 1959-12-11
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Granted: 1962-11-27
•
Expires: 1979-12-11
Abstract
No abstract record available.
Inventors
- 👤 Berner Erling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:15
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/36; B29C44/46; B29C44/461; B29C44/20; B29C44/206; Y; Y10; Y10S; Y10S264/00; Y10S264/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1751624A
Cited
US2200262A
Cited
US2207822A
Cited
US2872965A
Cited
US2962407A
Cited
FR1165798A
Cited
US2929793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |