US2601219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making o-ethyl s-ethyl o-para nitrophenyl thiophosphate
Assignee: Monsanto Chemicals Ltd
•
Filing: 1948-07-17
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Granted: 1952-06-17
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Expires: 1968-07-17
Abstract
No abstract record available.
Inventors
- 👤 Henry L Morrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:27
CPC Classifications
A; A01; A01N; A01N57/00; A01N57/10; A01N57/14; C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
THE PROCESS COMPRISING HEATING O,O-DIETHYL-O-P-NITROPHENYL THIOPHOSPHATE HAVING THE FORMULA:
Claim 2
Dependent Claim
9 words
THE PROCESS COMPRISING HEATING O,O-DIETHYL-O-P-NITROPHENYL THIOPHOSPHATE HAVING THE FORMULA:
References Cited (Backward Citations)
US2471464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |