Patent US3140691A successfully refreshed from Google Patents.
US3140691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fish breeder trap
Assignee: Springfield Tool and Die Co Inc
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Filing: 1963-08-21
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Granted: 1964-07-14
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Expires: 1983-08-21
Abstract
No abstract record available.
Inventors
- 👤 Stark Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:28
CPC Classifications
A; A01; A01K; A01K61/00; A01K61/10; A01K61/17; Y; Y02; Y02A; Y02A40/00; Y02A40/80; Y02A40/81
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A MULTI PURPOSE FISH BREEDER COMPRISING A CASING HAVING AN OPEN TOP, SAID CASING HAVING A BOTTOM WALL FORMED WITH A PLURALITY OF APERTURES THEREIN, SUPPORT MEANS ON THE CASING SIDES, A TROUGH MEMBER ADAPTED TO BE REMOVABLY POSITIONED IN THE CASING ON SAID SUPPORT MEANS IN SPACED RELATION TO THE BOTTOM WALL OF THE CASING, SAID TROUGH BEING OF V-FORM TRANSVERSELY OF ITS LENGTH, AN APERTURE FORMED AT THE BOTTOM OF THE TROUGH, SAID TANK HAVING SHOULDERED MEANS FORMED THEREIN ADJACENT THE BOTTOM THEREOF AND A BOTTOM CLOSURE TRAY ADAPTED TO BE REMOVABLY POSITIONED ON THE SHOULDERED MEANS OF THE TANK WALL TO THEREBY CLOSE THE BOTTOM OF THE CASING.
Claim 2
Dependent Claim
111 words
A MULTI PURPOSE FISH BREEDER COMPRISING A CASING HAVING AN OPEN TOP, SAID CASING HAVING A BOTTOM WALL FORMED WITH A PLURALITY OF APERTURES THEREIN, SUPPORT MEANS ON THE CASING SIDES, A TROUGH MEMBER ADAPTED TO BE REMOVABLY POSITIONED IN THE CASING ON SAID SUPPORT MEANS IN SPACED RELATION TO THE BOTTOM WALL OF THE CASING, SAID TROUGH BEING OF V-FORM TRANSVERSELY OF ITS LENGTH, AN APERTURE FORMED AT THE BOTTOM OF THE TROUGH, SAID TANK HAVING SHOULDERED MEANS FORMED THEREIN ADJACENT THE BOTTOM THEREOF AND A BOTTOM CLOSURE TRAY ADAPTED TO BE REMOVABLY POSITIONED ON THE SHOULDERED MEANS OF THE TANK WALL TO THEREBY CLOSE THE BOTTOM OF THE CASING.
References Cited (Backward Citations)
US2782161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |