US3572291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for growing fish
Assignee: Premium Iron Ores Ltd
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Filing: 1969-02-24
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Granted: 1971-03-23
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Expires: 1989-02-24
Abstract
Abstract THE FOLLOWING SPECIFICATION DISCLOSES A FISH SELECTED ENVIRONMENTAL CONTROL FOR GROWING FISH TO INCREASE THE RATE OF GROWTH. FISH ARE MOVED THERE IN PRODUCTION STAGE AND SUBJECTED TO A RANGE OF ENVIRONMENTAL VALUES OF WHICH THEY ARE OBSERVED TO SELECT THE OPTIMUM. THE PARTICULAR PRODUCTION STAGE IS THEN ADJUSTED IN ITS ENVIRONMENT TO CORRESPOND.
Inventors
- 👤 Patrick Edgar Cavanagh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:04
CPC Classifications
A; A01; A01K; A01K61/00; A01K61/10; A01K63/00; A01K63/06; Y; Y02; Y02A; Y02A40/00; Y02A40/80; Y02A40/81
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-22 | 1974-09-21 | 1975-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-22 | 1978-09-21 | 1979-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-22 | 1982-09-21 | 1983-03-23 | $7700.00 | Window Closed / Lapsed |