Patent US2412187A successfully refreshed from Google Patents.
US2412187A
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US
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Process and apparatus for producing continuous sheet of biaxially oriented organic polymer
Assignee: Plax Corp
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Filing: 1943-08-17
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Granted: 1946-12-03
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Expires: 1963-08-17
Abstract
No abstract record available.
Inventors
- 👤 Fred E Wiley
- 👤 Robert W Canfield
- 👤 Raymond S Jesionowski
- 👤 Bailey James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:50
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/02; B29C55/10; B29C55/12; B29C55/14; Y; Y10; Y10S; Y10S264/00; Y10S264/73
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-12-02 | 1950-06-03 | 1950-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-12-02 | 1954-06-03 | 1954-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-12-02 | 1958-06-03 | 1958-12-03 | $7700.00 | Window Closed / Lapsed |