Patent US4406086A successfully refreshed from Google Patents.
US4406086A
Expired / Lapsed
US
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Wheat and method of producing the same
Assignee: Pioneer Hi-Bred International Inc
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Filing: 1982-03-15
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Granted: 1983-09-27
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Expires: 2002-03-15
Abstract
Abstract The method of producing wheat seeds comprising the steps of crossing plants grown from a first cross of 'Thorne' and 'Clarkan'; and crossing the plants from the seeds of Thorne/Clarkan with plants from the seed of 'Etoile de Choisy'; crossing seeds from a semi-dwarf mutant of the Etoile de Choisy//Thorne/Clarkan cross with plants grown from the seeds of CI 13390; and crossing the offspring therefrom with plants grown from seeds of 'Coker 68-15'; and selfing plants grown from the seeds of this cross. Selfing of plants after each cross to permit a pure line selection is done. The product of this method further defines the invention.
Inventors
- 👤 Charles F. Hayward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:46
CPC Classifications
A; A01; A01H; A01H5/00; A01H5/10; Y; Y10; Y10S; Y10S47/00; Y10S47/01
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
121 words
A method of producing wheat seeds, comprising: (a) crossing plants grown from seeds of Thorne and Clarkan; (b) developing a pure line from the seeds produced in step "a", and crossing plants from such line with plants grown from seeds of Etoile de Choisy; (c) developing a pure line from the seeds from a semi-dwarf mutant produced in step "b", and crossing plants from such line with plants grown from seeds of CI 13390; (d) developing a pure line from the seeds produced in step "c" and crossing plants from such line with plants grown from seeds of Coker 68-15; (e) and developing a pure line from the seeds produced in step "d" and harvesting the seed resulting from said line.
Claim 2
Independent Claim
121 words
A method of producing wheat seeds, comprising: (a) crossing plants grown from seeds of Thorne and Clarkan; (b) developing a pure line from the seeds produced in step "a", and crossing plants from such line with plants grown from seeds of Etoile de Choisy; (c) developing a pure line from the seeds from a semi-dwarf mutant produced in step "b", and crossing plants from such line with plants grown from seeds of CI 13390; (d) developing a pure line from the seeds produced in step "c" and crossing plants from such line with plants grown from seeds of Coker 68-15; (e) and developing a pure line from the seeds produced in step "d" and harvesting the seed resulting from said line.
Claim 3
Dependent Claim
10 words
Seed produced in accordance with the method of claim 1.
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) | 1986-09-26 | 1987-03-28 | 1987-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-09-26 | 1991-03-28 | 1991-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-09-26 | 1995-03-28 | 1995-09-27 | $7700.00 | Window Closed / Lapsed |