Patent US2374136A successfully refreshed from Google Patents.
US2374136A
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Catalytic reaction of isocyanates with organic compounds
Assignee: EIDP Inc
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Filing: 1940-11-01
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Granted: 1945-04-17
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Expires: 1960-11-01
Abstract
No abstract record available.
Inventors
- 👤 Henry S Rothrock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:53
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/62; C08G18/6212; C08G18/08; C08G18/16; C08G18/22; C08G18/222; C08G18/42; C08G18/4288; C08G18/54; C08G18/542; C08G18/64; C08G18/6484; C08G18/70; C08G18/72
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 |