Patent US2950183A successfully refreshed from Google Patents.
US2950183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nutrient spray composition for plants
Assignee: Tennessee Corp
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Filing: 1958-03-24
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Granted: 1960-08-23
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Expires: 1978-03-24
Abstract
No abstract record available.
Inventors
- 👤 Alexander A Nikitin
- 👤 Jr Charles C Fite
- 👤 Gary Janet Segers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:19
CPC Classifications
C; C05; C05B; C05B7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A NUTRIENT SPRAY FOR APPLICATION TO GROWING PLANTS COMPRISING AN AQUEOUS SOLUTION OF AMMONIUM PHOSPHATE AND OXALIC ACID IN THE PROPORTIONS OF FROM 8 TO 28 PARTS BY WEIGHT OF OXALIC ACID TO 100 PARTS BY WEIGHT OF DIAMMONIUM PHOSPHATE AND SAID SOLUTION HAVING A PH IN THE RANGE OF 6.1 TO 7.0, SAID SOLUTION ALSO CONTAINING AS TRACE METAL SUPPLEMENTS SOLUBLE METAL SALTS SELECTED FROM THE GROUP CONSISTING OF FERROUS, MANGANOUS, CUPROUS AND ZINC SULFATES, CHLORIDES AND NITRATES AND MIXTURES THEREOF, THE TOTAL AMOUNT OF SAID SUPPLEMENTS NOT SUBSTANTIALLY EXCEEDING THE PROPORTION OF 50 GM. OF SUPPLEMENTS TO 200 GM. OF DIAMMONIUM PHOSPHATE AND SAID SOLUTION CONTAINING A MINIUMUM OF 0.1 GM. PER LITER OF AVAILABLE TRACE METAL FOR EACH TRACE METAL SALT CONTAINED THEREIN.
Claim 2
Dependent Claim
126 words
A NUTRIENT SPRAY FOR APPLICATION TO GROWING PLANTS COMPRISING AN AQUEOUS SOLUTION OF AMMONIUM PHOSPHATE AND OXALIC ACID IN THE PROPORTIONS OF FROM 8 TO 28 PARTS BY WEIGHT OF OXALIC ACID TO 100 PARTS BY WEIGHT OF DIAMMONIUM PHOSPHATE AND SAID SOLUTION HAVING A PH IN THE RANGE OF 6.1 TO 7.0, SAID SOLUTION ALSO CONTAINING AS TRACE METAL SUPPLEMENTS SOLUBLE METAL SALTS SELECTED FROM THE GROUP CONSISTING OF FERROUS, MANGANOUS, CUPROUS AND ZINC SULFATES, CHLORIDES AND NITRATES AND MIXTURES THEREOF, THE TOTAL AMOUNT OF SAID SUPPLEMENTS NOT SUBSTANTIALLY EXCEEDING THE PROPORTION OF 50 GM. OF SUPPLEMENTS TO 200 GM. OF DIAMMONIUM PHOSPHATE AND SAID SOLUTION CONTAINING A MINIUMUM OF 0.1 GM. PER LITER OF AVAILABLE TRACE METAL FOR EACH TRACE METAL SALT CONTAINED THEREIN.
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) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |