Patent US2473613A successfully refreshed from Google Patents.
US3237339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fishing tank
Assignee: Individual
•
Filing: 1961-12-12
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Granted: 1966-03-01
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Expires: 1981-12-12
Abstract
No abstract record available.
Inventors
- 👤 Harry C Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:38
CPC Classifications
A; A01; A01K; A01K97/00; A01K97/04; A01K63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A CHUMMING TANK FOR RECEIVING AND STORING SMALL BAIT FISH COMPRISING A FLUID CHAMBER HAVING A MOVABLE FLUID-PERVIOUS WALL HAVING SUPPORTING ELEMENTS AT THE OPPOSITE ENDS THEREOF AND SUPPORTED AT THE EDGES OF SAID TANK AND DIVIDING THE CHAMBER INTO TWO VARIABLE VOLUME CHAMBERS, AT LEAST ONE OF WHICH IS ADAPTED TO RECEIVE BAIT FISH AND ADAPTED TO BE DECREASED IN VOLUME AS FISH ARE EXTRACTED TO PROVIDE A CONTROLLABLE FISH DENSITY, MOTOR MEANS FOR ACTUATING SAID FLUID-PERVIOUS WALL AT A CONTROLLABLE RATE TO PROVIDE AUTOMATIC REGULATION OF THE FISH DENSITY, MEANS FOR DISPENSING FISH FROM SAID CHAMBER AND COMBINED WITH THE VARIABLE VOLUME CHAMBER OF DECREASING VOLUME, AND MEANS FOR REGULATING THE RATE OF OPERATION OF SAID DISPENSING MEANS IN COORDINATION WITH SAID MOTOR MEANS TO PROVIDE FOR FISH DISCHARGE AT A CONTROLLED RATE.
Claim 2
Dependent Claim
135 words
A CHUMMING TANK FOR RECEIVING AND STORING SMALL BAIT FISH COMPRISING A FLUID CHAMBER HAVING A MOVABLE FLUID-PERVIOUS WALL HAVING SUPPORTING ELEMENTS AT THE OPPOSITE ENDS THEREOF AND SUPPORTED AT THE EDGES OF SAID TANK AND DIVIDING THE CHAMBER INTO TWO VARIABLE VOLUME CHAMBERS, AT LEAST ONE OF WHICH IS ADAPTED TO RECEIVE BAIT FISH AND ADAPTED TO BE DECREASED IN VOLUME AS FISH ARE EXTRACTED TO PROVIDE A CONTROLLABLE FISH DENSITY, MOTOR MEANS FOR ACTUATING SAID FLUID-PERVIOUS WALL AT A CONTROLLABLE RATE TO PROVIDE AUTOMATIC REGULATION OF THE FISH DENSITY, MEANS FOR DISPENSING FISH FROM SAID CHAMBER AND COMBINED WITH THE VARIABLE VOLUME CHAMBER OF DECREASING VOLUME, AND MEANS FOR REGULATING THE RATE OF OPERATION OF SAID DISPENSING MEANS IN COORDINATION WITH SAID MOTOR MEANS TO PROVIDE FOR FISH DISCHARGE AT A CONTROLLED RATE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |