US4006514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding filleting tool
Assignee: Individual
•
Filing: 1975-07-10
•
Granted: 1977-02-08
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Expires: 1995-07-10
Abstract
Abstract A dual purpose blade and a shield are pivotally supported on a transverse axis on a hollow handle for pivotal movement from a nested position within the handle to a fully open position at an obtuse angle to the handle. The shield is independently movable relative to the blade. One longitudinal edge of the blade is an extremely sharp cutting edge, the other longitudinal edge being a scraping edge. The free end of the shield when disposed in nested relation with the blade forms a concave curvature at its free end to conform to the shape of a rib cage of a fish. The lateral surface of the combined shield and blade is a smooth concavity having its axis in a direction parallel to the longitudinal axis of the blade. The concavity at the free end of the shield has sharp edges at its junctions with the lateral surfaces of the shield to provide a scraping edge to shear the fish meat from the rib cage.
Inventors
- 👤 Melvin C. Penman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:43
CPC Classifications
A; A22; A22C; A22C25/00; A22C25/006
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
195 words
A portable, foldable tool for filleting fish comprising a handle, a dual purpose blade, sharpened to a cutting edge along one longitudinal edge and a shield for said blade, said shield being nestable in said handle, said blade being nestable in said shield having the other longitudinal edge exposed when in nested position, said blade and said shield being mounted on said handle about a transverse axis for independent pivotal movement from a position nested within said handle to operative position; wherein said other longitudinal edge is tapered to a scraping edge, blunt relative to said cutting edge, said shield completely covering said cutting edge in nested position with said blade and being of generally U-shaped in transverse cross section, the web of the U being closed over its entire length having a concave curvature at its free end having sharp edges at the junction with their lateral surfaces to serve as shears to remove the fillet from the rib cage merging with the free end of said blade when said blade is nested in said shield to form a combined end curvature substantially conforming to the curvature of the rib cage of a fish.
Claim 2
Dependent Claim
195 words
A portable, foldable tool for filleting fish comprising a handle, a dual purpose blade, sharpened to a cutting edge along one longitudinal edge and a shield for said blade, said shield being nestable in said handle, said blade being nestable in said shield having the other longitudinal edge exposed when in nested position, said blade and said shield being mounted on said handle about a transverse axis for independent pivotal movement from a position nested within said handle to operative position; wherein said other longitudinal edge is tapered to a scraping edge, blunt relative to said cutting edge, said shield completely covering said cutting edge in nested position with said blade and being of generally U-shaped in transverse cross section, the web of the U being closed over its entire length having a concave curvature at its free end having sharp edges at the junction with their lateral surfaces to serve as shears to remove the fillet from the rib cage merging with the free end of said blade when said blade is nested in said shield to form a combined end curvature substantially conforming to the curvature of the rib cage of a fish.
Claim 3
Dependent Claim
52 words
A portable, foldable tool for filleting fish according to claim 1 wherein the exposed lateral surfaces of said blade and said shield on both sides thereof merge into a combined smooth concave lateral surface on each side, the axis of the concavities extending in the longitudinal direction of the blade and shield.
Claim 4
Dependent Claim
52 words
A portable, foldable tool for filleting fish according to claim 1 wherein said shield is spring urged into frictional engagement with said blade when said blade is fully nested in said shield whereby said shield is prevented from inadvertently pivoting to a position outswung from the blade to expose the cutting edge.
Claim 5
Dependent Claim
29 words
A portable, foldable tool for filleting fish according to claim 1 wherein said blade and said shield extend from said handle at an obtuse angle in fully open position.
Claim 6
Dependent Claim
29 words
A portable, foldable tool for filleting fish according to claim 4 including manually releasable latching means for latching said blade in fully open position and in fully closed position.
References Cited (Backward Citations)
US1444324A
Cited
US1362143A
Cited
GB416366A
Cited
US2728984A
Cited
US3290720A
Cited
US3672002A
Cited
US3820196A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-02-08 | 1980-08-09 | 1981-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-08 | 1984-08-09 | 1985-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-08 | 1988-08-09 | 1989-02-08 | $7700.00 | Window Closed / Lapsed |