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US3418973A
Expired / Lapsed
US
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Water-tank for rearing fishes
Assignee: K K SAITO-SHOZO SHOTEN
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Filing: 1966-11-03
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Granted: 1968-12-31
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Expires: 1986-11-03
Abstract
No abstract record available.
Inventors
- 👤 Saito Shinichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:20
CPC Classifications
A; A01; A01K; A01K63/00; A01K63/04; A01K63/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2253516A
Cited
US2302336A
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US2594474A
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US2696800A
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US2672845A
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US2981228A
Cited
US3232271A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |