US3393210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polycarbonamides of bis (para-aminocyclohexyl)methane and dodecanedioic acid
Assignee: EIDP Inc
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Filing: 1967-02-23
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Granted: 1968-07-16
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Expires: 1987-02-23
Abstract
No abstract record available.
Inventors
- 👤 Stanley B Speck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:29
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/02; C08G69/26; D; D01; D01F; D01F6/00; D01F6/58; D01F6/60; D01F6/78; D01F6/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |