US3159536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrophobic siliceous insecticidal compositions
Assignee: Monsanto Co
•
Filing: 1960-04-22
•
Granted: 1964-12-01
•
Expires: 1980-04-22
Abstract
No abstract record available.
Inventors
- 👤 Marotta Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:11
CPC Classifications
A; A01; A01N; A01N55/00; A01N59/00; Y; Y02; Y02A; Y02A50/00; Y02A50/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
THE METHOD WHICH COMPRISES CONTACTING INSECTS WITH A PARTIALLY TO COMPLETELY HYDROPHOBIC PARTICULATE AMORPHOUS SILICEOUS MATERIAL HAVING A SPECIFIC ELECTRICAL CONDUCTIVITY OF NOT MORE THAN 10**-7 MHO PER CENTIMETER AT A BULK DENSITY OF 0.2 GRAM PER CUBIC CENTIMETER.
Claim 2
Independent Claim
39 words
THE METHOD WHICH COMPRISES CONTACTING INSECTS WITH A PARTIALLY TO COMPLETELY HYDROPHOBIC PARTICULATE AMORPHOUS SILICEOUS MATERIAL HAVING A SPECIFIC ELECTRICAL CONDUCTIVITY OF NOT MORE THAN 10**-7 MHO PER CENTIMETER AT A BULK DENSITY OF 0.2 GRAM PER CUBIC CENTIMETER.
References Cited (Backward Citations)
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Cited
US2589705A
Cited
US2547822A
Cited
US2681878A
Cited
US2728732A
Cited
US2923095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |