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US2896374A
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Apparatus for hydrocultivation
Assignee: LEON HIPPOLYTE JULES VAN EESSE
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Filing: 1957-09-27
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Granted: 1959-07-28
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Expires: 1977-09-27
Abstract
No abstract record available.
Inventors
- 👤 Perin Gaston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:25
CPC Classifications
A; A01; A01G; A01G31/00; A01G31/02; A01G31/06; H; H01; H01H; H01H51/00; H01H51/28; H01H51/30; H01H51/32; H01J; H01J17/00; H01J17/38; H01J17/40; A01G31/065; Y; Y02; Y02P; Y02P60/00; Y02P60/20; Y02P60/21; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7313; Y10T137/7316; Y10T137/7319
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1038407A
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GB473279A
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US2169701A
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US2141478A
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FR1083569A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |