US2374069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of plasticizing polyamides
Assignee: EIDP Inc
•
Filing: 1941-03-13
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Granted: 1945-04-17
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Expires: 1961-03-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Balthis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:45
CPC Classifications
D; D01; D01D; D01D1/00; D01D1/06; D01D1/065; B; B01; B01F; B01F27/00; B01F27/60; B01F27/70; B01F27/701; C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0016; Y; Y10; Y10S; Y10S264/00; Y10S264/61
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) | 1948-04-16 | 1948-10-16 | 1949-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-04-16 | 1952-10-16 | 1953-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-04-16 | 1956-10-16 | 1957-04-17 | $7700.00 | Window Closed / Lapsed |