US2786306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet material for plant culture
Assignee: Individual
•
Filing: 1954-03-19
•
Granted: 1957-03-26
•
Expires: 1974-03-19
Abstract
No abstract record available.
Inventors
- 👤 De Witt D Eaton
- 👤 Paschal Guy Sherman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:57
CPC Classifications
A; A01; A01G; A01G2/00; A01G2/20; A01G24/00; A01G24/40; A01G24/44; Y; Y10; Y10S; Y10S47/00; Y10S47/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A MATERIAL FOR PROMOTING PLANT ROOT GROWTH COMPRISING A SEMI-TRANSPARENT SELF-SUSTAINING FLEXIBLE SHEET OF MATERIAL WHICH IS PERVIOUS TO GASSES INVOLVED IN THE MATABOLIC PROCESS OF THE PLANTS AND SUBSTANTIALLY IMPERVIOUS TO WATER AND A COATING ON THE FACE OF SAID SHEET CONTAINING A ROOT GROWTH PROMOTING HORMONE AND A COLORING MATERIAL CAPABLE OF ABSORBING RADIANT HEAT, SAID COATING BEING DISCONTINUOUS RO PROVIDE REGULARLY RECURRING COATING FREE AREAS UPON SUCH SHEET.
Claim 2
Dependent Claim
71 words
A MATERIAL FOR PROMOTING PLANT ROOT GROWTH COMPRISING A SEMI-TRANSPARENT SELF-SUSTAINING FLEXIBLE SHEET OF MATERIAL WHICH IS PERVIOUS TO GASSES INVOLVED IN THE MATABOLIC PROCESS OF THE PLANTS AND SUBSTANTIALLY IMPERVIOUS TO WATER AND A COATING ON THE FACE OF SAID SHEET CONTAINING A ROOT GROWTH PROMOTING HORMONE AND A COLORING MATERIAL CAPABLE OF ABSORBING RADIANT HEAT, SAID COATING BEING DISCONTINUOUS RO PROVIDE REGULARLY RECURRING COATING FREE AREAS UPON SUCH SHEET.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
FR986750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-25 | 1960-09-24 | 1961-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-25 | 1964-09-24 | 1965-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-25 | 1968-09-24 | 1969-03-26 | $7700.00 | Window Closed / Lapsed |