Patent US2640772A successfully refreshed from Google Patents.
US2640772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plant fertilizer
Assignee: Boyce Thompson Institute
•
Filing: 1950-01-18
•
Granted: 1953-06-02
•
Expires: 1970-01-18
Abstract
No abstract record available.
Inventors
- 👤 Arthur John Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:50
CPC Classifications
C; C05; C05B; C05B1/00; C05F; C05F1/00; C05F1/005; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/20; Y02P; Y02P20/00; Y02P20/141; Y02P20/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A COMPOSITION OF MATTER FOR THE GROWING OF PLANTS WHICH COMPRISES AS A MAJOR ACTIVE CONSTITUENT FROM 1/10 TO 1/2 PART BY VOLUME OF AN ORGANIC NITROGEN-BEARING MATERIAL OF THE GROUP CONSISTING OF WOOL, HAIR AND FEATHER IN ADMIXTURE WITH NOT MORE THAN 3% BY VOLUME OF UNDIGESTED CARBOHYDRATE MATERIAL OF PLANT ORIGIN A RELATIVELY SMALL PROPORTION OF AN INORGANIC NITRATE WHICH RELEASES NITROGEN RAPIDLY TO SERVE AS A STARTER FOR A YOUNG PLANT, AND AN INORGANIC PHOSPHATE, SAID COMPOSITION BEING SO BALANCED BETWEEN CARBOHYDRATE AND ORGANIC NITROGEN CONTENT THAT IT FURNISHES DURING ITS DECOMPOSITION A STEADY SUPPLY OF NITROGEN FOR GROWING PLANTS IN SMALL CONTAINERS WITHOUT INJURY DUE TO EXCESS SOLUBLE NITROGEN AND AT THE SAME TIME INCREASES THE FIXATION OF ATMOSPHERIC NITROGEN BY MICRO-ORGANISMS WHEN MIXED WITH NEUTRAL SOIL.
Claim 2
Dependent Claim
131 words
A COMPOSITION OF MATTER FOR THE GROWING OF PLANTS WHICH COMPRISES AS A MAJOR ACTIVE CONSTITUENT FROM 1/10 TO 1/2 PART BY VOLUME OF AN ORGANIC NITROGEN-BEARING MATERIAL OF THE GROUP CONSISTING OF WOOL, HAIR AND FEATHER IN ADMIXTURE WITH NOT MORE THAN 3% BY VOLUME OF UNDIGESTED CARBOHYDRATE MATERIAL OF PLANT ORIGIN A RELATIVELY SMALL PROPORTION OF AN INORGANIC NITRATE WHICH RELEASES NITROGEN RAPIDLY TO SERVE AS A STARTER FOR A YOUNG PLANT, AND AN INORGANIC PHOSPHATE, SAID COMPOSITION BEING SO BALANCED BETWEEN CARBOHYDRATE AND ORGANIC NITROGEN CONTENT THAT IT FURNISHES DURING ITS DECOMPOSITION A STEADY SUPPLY OF NITROGEN FOR GROWING PLANTS IN SMALL CONTAINERS WITHOUT INJURY DUE TO EXCESS SOLUBLE NITROGEN AND AT THE SAME TIME INCREASES THE FIXATION OF ATMOSPHERIC NITROGEN BY MICRO-ORGANISMS WHEN MIXED WITH NEUTRAL SOIL.
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) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |