US2540210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arsenical insecticide safened with zinc sulfite
Assignee: Tennessee Copper Co
•
Filing: 1948-04-22
•
Granted: 1951-02-06
•
Expires: 1968-04-22
Abstract
No abstract record available.
Inventors
- 👤 Alexander A Nikitin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:08
CPC Classifications
A; A01; A01N; A01N59/00; A01N59/16; A01N59/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A COMPOSITION FOR APPLICATION TO PLANT FOLIAGE AND FRUIT FOR THE CONTROL OF PESTS WHICH CONTAINS ZINC SULPHITE TOGETHER WITH AN ARSENICAL INSECTICIDE.
Claim 2
Dependent Claim
23 words
A COMPOSITION FOR APPLICATION TO PLANT FOLIAGE AND FRUIT FOR THE CONTROL OF PESTS WHICH CONTAINS ZINC SULPHITE TOGETHER WITH AN ARSENICAL 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) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |