US2902716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for extruding tubes of thermoplastic materials
Assignee: LAVORAZIONE MAT PLASTICHE Sas
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Filing: 1957-03-07
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Granted: 1959-09-08
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Expires: 1977-03-07
Abstract
No abstract record available.
Inventors
- 👤 Colombo Roberto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:05
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/88; B29C48/90; B29C48/901; B29C48/902; B29C48/03; B29C48/09; B29C48/30; B29C48/32; B29C48/78; B29C48/86; B29C48/865; B29C48/87; B29C48/872; B29C48/10; B29K; B29K2995/00; B29K2995/0037; B29K2995/0072; B29K2995/0073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1133610A
Cited
US1455946A
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US1770396A
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US1740029A
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US2144213A
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US2519375A
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US2626427A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |