US3116201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organo-phosphorus insecticide
Assignee: Shell USA Inc
•
Filing: 1952-02-29
•
Granted: 1963-12-31
•
Expires: 1972-02-29
Abstract
No abstract record available.
Inventors
- 👤 Whetstone Richard
- 👤 Harman Denham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:36
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6571; C07F9/6574; C07F9/65742; C07F9/06; C07F9/08; C07F9/09; C07F9/113; C07F9/16; C07F9/165; C07F9/173; C07F9/28; C07F9/30; C07F9/32; C07F9/3258; C07F9/327; C07F9/38; C07F9/40; C07F9/4071; C07F9/4078; C07F9/657109; C07F9/657118
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
THE METHOD OF COMBATTING INSECTS WHICH COMPRISES SUBJECTING SAID INSECTS TO THE ACTION OF A PHOSPHORUS ESTER OF THE FORMULA:
Claim 2
Independent Claim
20 words
THE METHOD OF COMBATTING INSECTS WHICH COMPRISES SUBJECTING SAID INSECTS TO THE ACTION OF A PHOSPHORUS ESTER OF THE FORMULA:
References Cited (Backward Citations)
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Cited
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US2593213A
Cited
US2557805A
Cited
US2579810A
Cited
US2631162A
Cited
US2729688A
Cited
US2956073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |