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Patent US4437255A successfully refreshed from Google Patents.
US4437255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fish detecting system
Assignee: Individual
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Filing: 1982-04-23
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Granted: 1984-03-20
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Expires: 2002-04-23
Abstract
Abstract A fish detecting system including a radio transmitter in a float attached to a fishing line and a receiver at a point remote from the line. The float includes a power source and a normally open switch between the power source and transmitter. A switch actuator is magnetically held in a switch open position and moved by fish activity to magnetically move the switch to a closed position energizing the transmitter to send a signal to the receiver.
Inventors
- 👤 Dorian Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:06
CPC Classifications
A; A01; A01K; A01K93/00; A01K93/02
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
194 words
A fish detecting system for use with fishing tackle, comprising: signal sending and signal receiving means, said signal sending means including a spherical, bouyant housing containing a radio transmitter, a battery disposed in a lower portion of said housing and forming a source of power for said transmitter, a normally open switch disposed in a circuit between said battery and said transmitter, a plunger movable radially of said sphere between first and second positions in a path passing in proximity to said switch, said plunger including a magnet operable to move said switch to a closed position to actuate said transmitter when said magnet moves into proximity of said switch and to hold said plunger in a first position when said switch is in said normal position and fastening means including an attaching portion on said plunger to receive a fishing line forming part of said tackle, said signal receiving means including a radio receiver operable at a point remote from said signal sending means to receive a signal from said transmitter and activate an alarm upon movement of said plunger from said first towards a second position upon pull on said fishing line.
Claim 2
Dependent Claim
194 words
A fish detecting system for use with fishing tackle, comprising: signal sending and signal receiving means, said signal sending means including a spherical, bouyant housing containing a radio transmitter, a battery disposed in a lower portion of said housing and forming a source of power for said transmitter, a normally open switch disposed in a circuit between said battery and said transmitter, a plunger movable radially of said sphere between first and second positions in a path passing in proximity to said switch, said plunger including a magnet operable to move said switch to a closed position to actuate said transmitter when said magnet moves into proximity of said switch and to hold said plunger in a first position when said switch is in said normal position and fastening means including an attaching portion on said plunger to receive a fishing line forming part of said tackle, said signal receiving means including a radio receiver operable at a point remote from said signal sending means to receive a signal from said transmitter and activate an alarm upon movement of said plunger from said first towards a second position upon pull on said fishing line.
Claim 3
Dependent Claim
32 words
The fish detecting system of claim 1 wherein said plunger is buoyant and floats from said second position to said first position in the absence of a pull on said fishing line.
Claim 4
Dependent Claim
29 words
The fish detecting system of claim 1 wherein said housing includes magnetic material positioned to be in proximity to said magnet when said plunger is in said first position.
Claim 5
Dependent Claim
25 words
The fish detecting system of claim 3 wherein said battery has a metallic case forming said magnetic material holding said plunger in said first position.
Claim 6
Dependent Claim
28 words
The fish detecting system of claim 1 wherein an antenna is connected to said transmitter and extends from said housing to a point diametrically opposite from said plunger.
Claim 7
Dependent Claim
47 words
The fish detecting system of claim 1 wherein said fastening means includes a line receiving eye formed on the exterior of said housing at a point substantially diametrically opposite said plunger to slidably receive said line, said line being fixed to said attaching portion on said plunger.
Claim 8
Dependent Claim
23 words
The fish detecting system of claim 1 wherein said plunger is supported at a point exterior of said housing to extend radially therefrom.
Claim 9
Dependent Claim
17 words
The fish detecting system of claim 1 wherein said alarm of said signal receiving means is audible.
Claim 10
Dependent Claim
17 words
The fish detecting system of claim 1 wherein said alarm of said signal receiving means is visual.
Claim 11
Dependent Claim
32 words
The fish detecting system of claim 1 wherein said signal receiving means is contained within a housing including a bracket means for attaching said receiving means to the clothing of an operator.
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) | 1987-03-20 | 1987-09-19 | 1988-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-03-20 | 1991-09-19 | 1992-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-03-20 | 1995-09-19 | 1996-03-20 | $7700.00 | Window Closed / Lapsed |