Patent US3878637A successfully refreshed from Google Patents.
US3878637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick change fishhook
Assignee: Individual
•
Filing: 1974-04-26
•
Granted: 1975-04-22
•
Expires: 1994-04-26
Abstract
Abstract A fishhook having a double C-shaped configuration attached at one end of the C at the line attaching end to trap a knot at the end of a fishline in a slot formed thereby.
Inventors
- 👤 Alva E Flower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:31
CPC Classifications
A; A01; A01K; A01K91/00; A01K91/03; A01K91/04; A01K83/00
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
146 words
A hook, for connection to a line with a knot near its end, comprising a shank with a hooked end on one end thereof, and a C-shaped structure with a slot therein on the opposite end of said shank to hold the knot within said structure with the line passing through said slot said C-shaped structure including a pair of C-shaped wire forms located adjacent each other and connected together at one end forming said slot between them which is closed at the connected end and open at the other end, said pair of C-shaped wire forms shaped so as to have their closed end at the farthest distance from said hooked end of said shank whereby the knot slidable in said slot moves toward the closed end of said slot under tension of the line when pulled in a direction away from said hooked end.
Claim 2
Dependent Claim
146 words
A hook, for connection to a line with a knot near its end, comprising a shank with a hooked end on one end thereof, and a C-shaped structure with a slot therein on the opposite end of said shank to hold the knot within said structure with the line passing through said slot said C-shaped structure including a pair of C-shaped wire forms located adjacent each other and connected together at one end forming said slot between them which is closed at the connected end and open at the other end, said pair of C-shaped wire forms shaped so as to have their closed end at the farthest distance from said hooked end of said shank whereby the knot slidable in said slot moves toward the closed end of said slot under tension of the line when pulled in a direction away from said hooked end.
Claim 3
Dependent Claim
146 words
A hook, for connection to a line with a knot near its end, comprising a shank with a hooked end on one end thereof, and a C-shaped structure with a slot therein on the opposite end of said shank to hold the knot within said structure with the line passing through said slot said C-shaped structure including a pair of C-shaped wire forms located adjacent each other and connected together at one end forming said slot between them which is closed at the connected end and open at the other end, said pair of C-shaped wire forms shaped so as to have their closed end at the farthest distance from said hooked end of said shank whereby the knot slidable in said slot moves toward the closed end of said slot under tension of the line when pulled in a direction away from said hooked end.
Claim 4
Dependent Claim
146 words
A hook, for connection to a line with a knot near its end, comprising a shank with a hooked end on one end thereof, and a C-shaped structure with a slot therein on the opposite end of said shank to hold the knot within said structure with the line passing through said slot said C-shaped structure including a pair of C-shaped wire forms located adjacent each other and connected together at one end forming said slot between them which is closed at the connected end and open at the other end, said pair of C-shaped wire forms shaped so as to have their closed end at the farthest distance from said hooked end of said shank whereby the knot slidable in said slot moves toward the closed end of said slot under tension of the line when pulled in a direction away from said hooked end.
Claim 5
Dependent Claim
26 words
The hook of claim 1, further characterized by the C of said C-shaped structure opening to the same side as the opening of said hooked end.
Claim 6
Dependent Claim
22 words
The hook of claim 2, further characterized by said slot opening to the same side as the opening of said hooked end.
Claim 7
Dependent Claim
30 words
The hook of claim 1, further characterized by one of said pair of C-shaped wire forms having its end at the open end of said slot connected to said shank.
Claim 8
Dependent Claim
36 words
The hook of claim 4, further characterized by the connection of said C-shaped wire form with said shank being also a C-shape including the ends of said shank and said wire form connected to said shank.
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) | 1978-04-21 | 1978-10-21 | 1979-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-21 | 1982-10-21 | 1983-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-21 | 1986-10-21 | 1987-04-22 | $7700.00 | Window Closed / Lapsed |