US2436201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of strain-free, extruded shapes from organic thermoplastic materials
Assignee: EIDP Inc
•
Filing: 1943-06-26
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Granted: 1948-02-17
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Expires: 1963-06-26
Abstract
No abstract record available.
Inventors
- 👤 Paul M Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:35
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/88; B29C48/911; B29C48/03; B29C48/06; B29C48/07; B29C48/08; Y; Y10; Y10S; Y10S425/00; Y10S425/101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1317157A
Cited
US2245640A
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US2252684A
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US2303338A
Cited
US2319040A
Cited
US2294555A
Cited
US2308638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-16 | 1951-08-18 | 1952-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-16 | 1955-08-18 | 1956-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-16 | 1959-08-18 | 1960-02-17 | $7700.00 | Window Closed / Lapsed |