Patent US2926260A successfully refreshed from Google Patents.
US2926260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of identifying sour orange rootstock
Assignee: California Institute Research Foundation
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Filing: 1954-07-02
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Granted: 1960-02-23
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Expires: 1974-07-02
Abstract
No abstract record available.
Inventors
- 👤 Raymond M Selle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:10
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/62; G01N21/63; G01N21/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A METHOD OF DISTINGUISHING SOUR ORANGE ROOTSTOCK, THE STEPS COMPRISING: PREPARING AN EXTRACT OF A SIMPLE OF ROOTSTOCK UNDER INVESTIGATION BY LEACHING SAID SAMPLE WITH A SOLVENT SELECTED FROM THE GROUP CONSISTING OF ETHYL ALCOHOL AND NORMAL BUTYL ALCOHOL, APPLYING THE EXTRACT TO A POROUS PAPER, WETTING SAID PAPER WITH A SOLUTION CONSISTING OF 4 PARTS N-BUTYL ALCOHOL, 1 PART GLACIAL ACETIC ACID AND 5 PARTS DISTILLED WATER, DRYING SAID PAPER, SPRAYING SAID PAPER WITH NINHYDRIN, REDRYING SAID PAPER, AND SUBJECTING THE DRIED PAPER TO THE ACTION OF AN ULTRAVIOLET LIGHT HAVING RADIATIONS IN THE RANGE OF 3000 ANGSTROM UNITS TO OBTAIN A SECTION INDICATIVE OF ROOTSTOCK OF THE SOUR ORANGE VARIETY.
Claim 2
Independent Claim
112 words
A METHOD OF DISTINGUISHING SOUR ORANGE ROOTSTOCK, THE STEPS COMPRISING: PREPARING AN EXTRACT OF A SIMPLE OF ROOTSTOCK UNDER INVESTIGATION BY LEACHING SAID SAMPLE WITH A SOLVENT SELECTED FROM THE GROUP CONSISTING OF ETHYL ALCOHOL AND NORMAL BUTYL ALCOHOL, APPLYING THE EXTRACT TO A POROUS PAPER, WETTING SAID PAPER WITH A SOLUTION CONSISTING OF 4 PARTS N-BUTYL ALCOHOL, 1 PART GLACIAL ACETIC ACID AND 5 PARTS DISTILLED WATER, DRYING SAID PAPER, SPRAYING SAID PAPER WITH NINHYDRIN, REDRYING SAID PAPER, AND SUBJECTING THE DRIED PAPER TO THE ACTION OF AN ULTRAVIOLET LIGHT HAVING RADIATIONS IN THE RANGE OF 3000 ANGSTROM UNITS TO OBTAIN A SECTION INDICATIVE OF ROOTSTOCK OF THE SOUR ORANGE VARIETY.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |