Patent US1945183A successfully refreshed from Google Patents.
US1945183A
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US
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Manufacture of alkoxy derivatives of phosphorous acid chlorides
Assignee: Monsanto Chemicals Ltd
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Filing: 1931-12-24
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Granted: 1934-01-30
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Expires: 1951-12-24
Abstract
No abstract record available.
Inventors
- 👤 Clemmensen Erik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:01
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/20; C07F9/08; C07F9/09; C07F9/14
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) | 1937-01-29 | 1937-07-31 | 1938-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-01-29 | 1941-07-31 | 1942-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-01-29 | 1945-07-31 | 1946-01-30 | $7700.00 | Window Closed / Lapsed |