Patent US3628274A successfully refreshed from Google Patents.
US3628274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature-sensing system for placement of fishing lures
Assignee: NEW 4 Inc A CORP OF MICHIGAN
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Filing: 1969-08-07
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Granted: 1971-12-21
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Expires: 1989-08-07
Abstract
Abstract A weighted device releasably holding a fishline near the lure, incorporating a temperature sensor for reading the exact temperature of the water in which the lure is moving, regardless of the length of the line payed out, or the line attitude.
Inventors
- 👤 Charles P Wojahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:31
CPC Classifications
A; A01; A01K; A01K95/00
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
88 words
In fishing ballast structure including a cable, a weight secured to one end thereof for positioning a fishing lure secured to a fishing line and a releasable fishline-retaining clip fixed to said weight, the improvement comprising; a temperature sensor mounted on said ballast structure in close proximity to said weight; indicating means disposed at a position remote from said weight, and adapted to read out the conditions detected by said sensor; and electric circuit wires incorporated in said cable and connected to said sensor and said indicating means.
Claim 2
Dependent Claim
88 words
In fishing ballast structure including a cable, a weight secured to one end thereof for positioning a fishing lure secured to a fishing line and a releasable fishline-retaining clip fixed to said weight, the improvement comprising; a temperature sensor mounted on said ballast structure in close proximity to said weight; indicating means disposed at a position remote from said weight, and adapted to read out the conditions detected by said sensor; and electric circuit wires incorporated in said cable and connected to said sensor and said indicating means.
Claim 3
Dependent Claim
28 words
A device as defined in claim 1, wherein said sensor is a thermistor, and said indicating means includes a bridge circuit incorporating said thermistor in one leg thereof.
Claim 4
Dependent Claim
18 words
A device as defined in claim 1, wherein said sensor is mounted in a groove on said weight.
Claim 5
Dependent Claim
28 words
A device as defined in claim 1, wherein said sensor is mounted on a member connected to said cable as a continuation thereof for transmission of cable tension.
References Cited (Backward Citations)
US2749649A
Cited
US3031788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-20 | 1975-06-21 | 1975-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-20 | 1979-06-21 | 1979-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-20 | 1983-06-21 | 1983-12-21 | $7700.00 | Window Closed / Lapsed |