Patent US3300896A successfully refreshed from Google Patents.
US3300896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroponic growth of plants
Assignee: RES ENGINEERING CO
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Filing: 1965-05-10
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Granted: 1967-01-31
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Expires: 1985-05-10
Abstract
No abstract record available.
Inventors
- 👤 Lunstroth Klaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:21
CPC Classifications
A; A01; A01G; A01G31/00; A01G31/02; A01G31/04; A01G31/042; Y; Y02; Y02P; Y02P60/00; Y02P60/20; Y02P60/21
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
86 words
A METHOD OF HYDROPONICALLY GROWING PLANTS INCLUDING THE FOLLOWING STEPS: PROVIDING A NOURISHMENT MEDIUM TO ONE SURFACE OF A MOVABLE BELT; PROVIDING A PLURALITY OF SEEDS AT INTERVALS TO SAID MEDIUM; PERMITTING SAID SEEDS TO MATURE INTO PLANTS WHILE MOVING WITH SAID BELT; SEPARATING THE PLANT BODY ALONG WITH A PORTION OF THE ROOT SYSTEM IN A SINGLE OPERATION FROM SAID BELT AND MEDIUM; AND SEPARATING THE RESIDUE OF SAID PLANTS AND SAID MEDIUM FROM SAID BELT AFTER SAID BODY AND PARTIAL ROOT SYSTEM IS SEPARATED.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |