Patent US4255855A successfully refreshed from Google Patents.
US4255855A
Expired / Lapsed
US
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Nutcracker
Assignee: Individual
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Filing: 1979-11-29
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Granted: 1981-03-17
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Expires: 1999-11-29
Abstract
Abstract A nutcracker which includes a plunger slidable in a stationary sleeve, so that an adjustable end of the plunger is exerted against a nut abutted against a rigid anvil, so as to break open the nut shell, a pivotable handle providing a leverage force against the plunger.
Inventors
- 👤 John W. Brazil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:36
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A nutcracker, comprising, in combination, a base having a hole through one end thereof, an anvil supported on an opposite end thereof, a space between said ends for placement of a nut therein, a plunger slidable in said holes a pivotable handle for sliding said plunger toward said anvil, and cracking a nut shell of said nut placed between said plunger and said anvil; an adjustable bolt on said plunger for controlling a length of said space, and a reversible bar slide-fitted in a slot on said anvil, one side of said bar being shaped with a projecting wedge, so as to split said nut shells therewith and an opposite side of said bar having a flat face that is knurlled, said reversible bar being selectively positioned with either said wedge or said flat, knurlled face toward said nut.
Claim 2
Dependent Claim
139 words
A nutcracker, comprising, in combination, a base having a hole through one end thereof, an anvil supported on an opposite end thereof, a space between said ends for placement of a nut therein, a plunger slidable in said holes a pivotable handle for sliding said plunger toward said anvil, and cracking a nut shell of said nut placed between said plunger and said anvil; an adjustable bolt on said plunger for controlling a length of said space, and a reversible bar slide-fitted in a slot on said anvil, one side of said bar being shaped with a projecting wedge, so as to split said nut shells therewith and an opposite side of said bar having a flat face that is knurlled, said reversible bar being selectively positioned with either said wedge or said flat, knurlled face toward said nut.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-03-16 | 1984-09-15 | 1985-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-16 | 1988-09-15 | 1989-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-16 | 1992-09-15 | 1993-03-17 | $7700.00 | Window Closed / Lapsed |