US2432148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curing of diisocyanate-modified polyester
Assignee: Imperial Chemical Industries Ltd
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Filing: 1944-03-14
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Granted: 1947-12-09
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Expires: 1964-03-14
Abstract
No abstract record available.
Inventors
- 👤 Furness Will
- 👤 Lyle E Perrins
- 👤 Smith Walter Fairbairn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:32
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/83; C08G18/84; C08G18/08; C08G18/10; C08G18/28; C08G18/40; C08G18/60; C08G18/606; C08L; C08L75/00
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) | 1950-12-08 | 1951-06-09 | 1951-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-08 | 1955-06-09 | 1955-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-08 | 1959-06-09 | 1959-12-09 | $7700.00 | Window Closed / Lapsed |