US3549596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Segmented elastomers from isomeric mixtures of 1,3-diaminocyclohexane and sterically hindered tertiary diisocyanates
Assignee: EIDP Inc
•
Filing: 1966-06-23
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Granted: 1970-12-22
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Expires: 1986-06-23
Abstract
No abstract record available.
Inventors
- 👤 Carl Kenneth Mcmillin
- 👤 Wilford John Teerlink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:03
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/72; C08G18/74; C08G18/76; C08G18/7614; C08G18/7628; C08G18/08; C08G18/10; Y; Y10; Y10S; Y10S528/00; Y10S528/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2723265A
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US2929804A
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US3115479A
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GB846176A
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US3097192A
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US3290350A
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FR1299557A
Cited
US3386942A
Cited
US3422143A
Cited
US3359243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |