US2854791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of iron chlorosis
Assignee: Stauffer Chemical Co
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Filing: 1956-06-11
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Granted: 1958-10-07
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Expires: 1976-06-11
Abstract
No abstract record available.
Inventors
- 👤 Antognini Joe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:44
CPC Classifications
C; C05; C05D; C05D9/00; C05D9/02; Y; Y10; Y10S; Y10S71/00; Y10S71/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
THE METHOD OF TREATING IRON CHLOROSIS IN A CHLOROTIC PLANT GROWING THE PRESENCE OF UNAVAILABLE IRON COMPRISING: APPLYING TO THE CHLOROTIC PLANT AN EFFECTIVE AMOUNT OF A MEMBER SELECTED FROM THE CLASS CONSISTING OF PHENYLPHOSPHONIUM AND ORGANIC SULFONIUM COMPOUNDS.
Claim 2
Independent Claim
39 words
THE METHOD OF TREATING IRON CHLOROSIS IN A CHLOROTIC PLANT GROWING THE PRESENCE OF UNAVAILABLE IRON COMPRISING: APPLYING TO THE CHLOROTIC PLANT AN EFFECTIVE AMOUNT OF A MEMBER SELECTED FROM THE CLASS CONSISTING OF PHENYLPHOSPHONIUM AND ORGANIC SULFONIUM COMPOUNDS.
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) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |