Patent US2214397A successfully refreshed from Google Patents.
US2214397A
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Plasticized synthetic linear polyamide composition
Assignee: EIDP Inc
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Filing: 1938-07-25
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Granted: 1940-09-10
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Expires: 1958-07-25
Abstract
No abstract record available.
Inventors
- 👤 Paul R Austin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:21
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/58; D01F6/60; C; C08; C08K; C08K5/00; C08K5/04; C08K5/07; D01F1/00; D01F1/02; D01F1/10; Y; Y10; Y10S; Y10S8/00; Y10S8/21
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) | 1943-09-10 | 1944-03-11 | 1944-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-09-10 | 1948-03-11 | 1948-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-09-10 | 1952-03-11 | 1952-09-10 | $7700.00 | Window Closed / Lapsed |