US3396210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions made from: (a) isocyanateterminated prepolymers; and (b) polyesters prepared from polyols and alpha, beta-ethylenically unsaturated monocarboxylic acids
Assignee: NL SPENCER KELLOG Inc
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Filing: 1965-09-20
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Granted: 1968-08-06
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Expires: 1985-09-20
Abstract
No abstract record available.
Inventors
- 👤 William J Mckillip
- 👤 Clarence N Impola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:03
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/83; C08G18/86; C08F; C08F283/00; C08F283/006; C08G18/08; C08G18/10; C08G18/28; C08G18/40; C08G18/63; C08G18/637
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) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |