Patent US2786012A successfully refreshed from Google Patents.
US2786012A
Expired / Lapsed
US
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Compositions and method of producing a calcium carbonate carrier for insecticides
Assignee: Calcium Carbonate Co
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Filing: 1954-01-28
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Granted: 1957-03-19
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Expires: 1974-01-28
Abstract
No abstract record available.
Inventors
- 👤 Brack B Mchan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:29
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
34 words
AN INSECTICIDE COMPRISING A CARRIER OR DILUENT AND AN INSECTICIDAL VALUE CARRIED THEREBY, SAID CARRIER BEING CALCIUM CARBONATE TO WHICH THERE HAS BEEN ADDED AND GROUND THEREWITH NOT MORE THAN ABOUT 0.3% BY WEIGHT
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) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |