US2443450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article coated with nu-alkoxymethyl polyamide and process of making same
Assignee: EIDP Inc
•
Filing: 1943-07-01
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Granted: 1948-06-15
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Expires: 1963-07-01
Abstract
No abstract record available.
Inventors
- 👤 Graham Boynton
- 👤 Howard S Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:43
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/59; D06M15/595; Y; Y10; Y10S; Y10S428/00; Y10S428/904; Y10S8/00; Y10S8/21; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31739; Y10T428/31768; Y10T428/31772; Y10T428/31775; Y10T428/31826; Y10T428/31833; Y10T442/00; Y10T442/20; Y10T442/2164; Y10T442/2197; Y10T442/2361
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1951-06-15 | 1951-12-15 | 1952-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-15 | 1955-12-15 | 1956-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-15 | 1959-12-15 | 1960-06-15 | $7700.00 | Window Closed / Lapsed |