Patent US4615301A successfully refreshed from Google Patents.
US4615301A
Expired / Lapsed
US
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Fish breeding apparatus
Assignee: Bridgestone Corp
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Filing: 1981-08-06
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Granted: 1986-10-07
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Expires: 2001-08-06
Abstract
Abstract A fish breeding apparatus is disclosed, which comprises a frame body for the fish breeding framed by connecting rod elastic reinforcements to each other into a polygon at a side number of 4 to 30 through bent couplings, and a mooring cable connected at its one end to each of the bent couplings.
Inventors
- 👤 Takashi Maekawa
- 👤 Hiroshi Sasaki
- 👤 Shinji Morimura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:58
CPC Classifications
A; A01; A01K; A01K61/00; A01K61/60; Y; Y02; Y02A; Y02A40/00; Y02A40/80; Y02A40/81
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
51 words
A fish breeding apparatus comprising; a frame body for fish breeding, said frame body framed by connecting hollow reinforcing hoses as an elastic reinforcement into a polygon having 4 to 30 sides through bent couplings, and a mooring cable connected at one end to each of said bent couplings under tension.
Claim 2
Dependent Claim
51 words
A fish breeding apparatus comprising; a frame body for fish breeding, said frame body framed by connecting hollow reinforcing hoses as an elastic reinforcement into a polygon having 4 to 30 sides through bent couplings, and a mooring cable connected at one end to each of said bent couplings under tension.
Claim 3
Dependent Claim
22 words
A fish breeding apparatus according to claim 1, wherein a blind plate is inserted between opposed flanges of said adjacent bent couplings.
Claim 4
Dependent Claim
51 words
A fish breeding apparatus according to claim 1, wherein said frame body is provided with a balustrade comprising plural rod bodies each standing upright from the inside of said frame body and provided at its top end with a ring, and a rope extending through said rings around said frame body.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-10-06 | 1990-04-07 | 1990-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-10-06 | 1994-04-07 | 1994-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-10-06 | 1998-04-07 | 1998-10-07 | $7700.00 | Window Closed / Lapsed |