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Patent US2920606A successfully refreshed from Google Patents.
US2920606A
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Brine shrimp hatchery and separator
Assignee: Individual
•
Filing: 1956-05-08
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Granted: 1960-01-12
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Expires: 1976-05-08
Abstract
No abstract record available.
Inventors
- 👤 Charles B Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:18
CPC Classifications
A; A01; A01K; A01K61/00; A01K61/50; A01K61/59; Y; Y02; Y02A; Y02A40/00; Y02A40/80; Y02A40/81
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US933764A
Cited
US2299053A
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US2376064A
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US2829584A
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US2628590A
Cited
US2776642A
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US2804045A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |