Patent US2613572A successfully refreshed from Google Patents.
US3667159A
Expired / Lapsed
US
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Seedling flat
Assignee: SPEEDLING INCORPORATED A FLORIDA CORP
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Filing: 1970-09-10
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Granted: 1972-06-06
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Expires: 1990-09-10
Abstract
Abstract A seedling flat is provided in a first embodiment in the form of a unitary plastic member having downwardly extending square tapered soil receiving recesses in which individual seedlings are started with one embodiment employing a unitary polystyrene foamed plastic; a second embodiment is embodied in a construction formed of rigid plastic plate members connected together in a unitary manner.
Inventors
- 👤 George K Todd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:10
CPC Classifications
A; A01; A01G; A01G9/00; A01G9/02; A01G9/029; A01G9/0295; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T428/24157
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
95 words
A planting flat comprising a body member having a plurality of open-ended, downwardly tapering planting cells extending downwardly from a common upper plane and having a lower termination in a common lower plane, said cells being defined by wall means of substantially straight configuration converging inwardly from top to bottom so that said planting cells terminate at their lowermost extent in a lower opening defined by the lower ends of said wall means, said lower openings being small enough to retain planting media in said cells, but large enough to permit drainage of said cells.
Claim 2
Dependent Claim
95 words
A planting flat comprising a body member having a plurality of open-ended, downwardly tapering planting cells extending downwardly from a common upper plane and having a lower termination in a common lower plane, said cells being defined by wall means of substantially straight configuration converging inwardly from top to bottom so that said planting cells terminate at their lowermost extent in a lower opening defined by the lower ends of said wall means, said lower openings being small enough to retain planting media in said cells, but large enough to permit drainage of said cells.
Claim 3
Dependent Claim
18 words
The invention of claim 1 wherein said planting cells are of squared configuration having four inwardly tapering walls.
Claim 4
Dependent Claim
18 words
The invention of claim 2 wherein said flat is formed of a unitary piece of molded foam polystyrene.
Claim 5
Dependent Claim
29 words
The invention of claim 2 wherein each of said planting cells are formed of four downwardly tapering rigid side plates defining a lower drain opening at their lowermost extent.
Claim 6
Dependent Claim
17 words
The invention of claim 4 additionally including triangular brace plates connecting adjacent side plates of different cells.
Claim 7
Dependent Claim
23 words
The invention of claim 5 wherein said cells are bounded by side and end walls formed of thin plates of rigid plastic material.
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) | 1975-06-06 | 1975-12-06 | 1976-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-06 | 1979-12-06 | 1980-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-06 | 1983-12-06 | 1984-06-06 | $7700.00 | Window Closed / Lapsed |