Patent US2836537A successfully refreshed from Google Patents.
US2836537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating plants to protect against rust
Assignee: Pittsburgh Coke and Chemical Co
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Filing: 1955-05-04
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Granted: 1958-05-27
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Expires: 1975-05-04
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Skaptason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:16
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A METHOD OF TREATING CEREAL GRAIN PLANTS TO PROTECT THEM AGAINST RUST COMPRISING APPLYING TO THE PLANT A METAL SALT OF AN AMINOCARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF ETHYLENE DIAMINE TETRAACETIC ACID, HYDROXYETHYL ETHYLENE DIAMINE TRIACETIC ACID, CYANOMETHYL ETHYLENE DIAMINE TRIACETIC ACID
Claim 2
Independent Claim
44 words
A METHOD OF TREATING CEREAL GRAIN PLANTS TO PROTECT THEM AGAINST RUST COMPRISING APPLYING TO THE PLANT A METAL SALT OF AN AMINOCARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF ETHYLENE DIAMINE TETRAACETIC ACID, HYDROXYETHYL ETHYLENE DIAMINE TRIACETIC ACID, CYANOMETHYL ETHYLENE DIAMINE TRIACETIC ACID
References Cited (Backward Citations)
US2524219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |