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US2127660A
Expired / Lapsed
US
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Unsaturated esters of 2-chloroallyl alcohol
Assignee: Dow Chemical Co
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Filing: 1937-10-23
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Granted: 1938-08-23
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Expires: 1957-10-23
Abstract
No abstract record available.
Inventors
- 👤 Gerald H Coleman
- 👤 Bartholdt C Hadler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:39
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/02; C07C69/007; C07C69/62; C07C69/65; C07C69/653; C07C69/657
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) | 1941-08-22 | 1942-02-21 | 1942-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-08-22 | 1946-02-21 | 1946-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-08-22 | 1950-02-21 | 1950-08-23 | $7700.00 | Window Closed / Lapsed |