US2777795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sand-grain core insecticidal composition
Assignee: FMC Corp
•
Filing: 1952-10-16
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Granted: 1957-01-15
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Expires: 1972-10-16
Abstract
No abstract record available.
Inventors
- 👤 Veaux John F Les
- 👤 Edward F Orwoll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:56
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
AN INSECTICIDAL COMPOSITION IN THE FORM OF A PELLET COMPRISING A CORE OF A GRAIN OF SILICA OF 20 TO 60 MESH AND A COATING UPON SAID SILICA GRAIN OF A FINELY GROUND ARGILLACEOUS MINERAL POWDER NOT LARGER THAN ABOUT 325 MESH CARRYING AN ORGANIC INSECTICIDE.
Claim 2
Dependent Claim
46 words
AN INSECTICIDAL COMPOSITION IN THE FORM OF A PELLET COMPRISING A CORE OF A GRAIN OF SILICA OF 20 TO 60 MESH AND A COATING UPON SAID SILICA GRAIN OF A FINELY GROUND ARGILLACEOUS MINERAL POWDER NOT LARGER THAN ABOUT 325 MESH CARRYING AN ORGANIC INSECTICIDE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |