US2725673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for soilless plant cultivation
Assignee: Individual
•
Filing: 1951-04-03
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Granted: 1955-12-06
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Expires: 1971-04-03
Abstract
No abstract record available.
Inventors
- 👤 Perin Gaston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:47
CPC Classifications
A; A01; A01G; A01G31/00; A01G31/02; A01G31/06; Y; Y02; Y02P; Y02P60/00; Y02P60/20; Y02P60/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A METHOD FOR ACCELERATING THE GERMINATION OF SEEDS COMPRISING THE STEPS OF DISPOSING THE SEEDS IN SUPERPOSED RECEPTACLES WITHIN A CLOSED CONTAINER, FEEDING THE SEEDS PERIODICALLY WITH A LIQUID NUTRIENT, MAINTAINING A CONSTANT CIRCULATION OF A GAS CHARGED WITH CARBON DIOXIDE AT A UNIFORM ELEVATED TEMPERATUE FROM TOP TO BOTTOM AT THE CENTER OF THE CLOSED CONTAINER AND FROM BOTTOM TO TOP AT THE PERIPHERY OF SAID CONTAINER IN A ZONE ENCIRCLING SAID RECEPTACLES SO THAT THE GAS IS CONVEYED INTO UNIFORM CONTACT WITH THE SEEDS IN THE SEVERAL SUPERPOSED RECEPTACLES.
Claim 2
Independent Claim
91 words
A METHOD FOR ACCELERATING THE GERMINATION OF SEEDS COMPRISING THE STEPS OF DISPOSING THE SEEDS IN SUPERPOSED RECEPTACLES WITHIN A CLOSED CONTAINER, FEEDING THE SEEDS PERIODICALLY WITH A LIQUID NUTRIENT, MAINTAINING A CONSTANT CIRCULATION OF A GAS CHARGED WITH CARBON DIOXIDE AT A UNIFORM ELEVATED TEMPERATUE FROM TOP TO BOTTOM AT THE CENTER OF THE CLOSED CONTAINER AND FROM BOTTOM TO TOP AT THE PERIPHERY OF SAID CONTAINER IN A ZONE ENCIRCLING SAID RECEPTACLES SO THAT THE GAS IS CONVEYED INTO UNIFORM CONTACT WITH THE SEEDS IN THE SEVERAL SUPERPOSED RECEPTACLES.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-05 | 1959-06-06 | 1959-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-05 | 1963-06-06 | 1963-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-05 | 1967-06-06 | 1967-12-06 | $7700.00 | Window Closed / Lapsed |