Patent US3843067A successfully refreshed from Google Patents.
US3843067A
Expired / Lapsed
US
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Ice crusher
Assignee: General Electric Co
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Filing: 1973-04-09
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Granted: 1974-10-22
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Expires: 1993-04-09
Abstract
Abstract An ice dispenser particularly for a household refrigerator includes an ice cube storage receptacle and an integral dispensing and crushing means for dispensing batches of crushed ice of two different grades.
Inventors
- 👤 L Prada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:23
CPC Classifications
F; F25; F25C; F25C5/00; F25C5/02; F25C5/04; F25C5/046; F25C5/20; F25C5/22; F25C2400/00; F25C2400/08; Y; Y10; Y10S; Y10S241/00; Y10S241/17
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
80 words
An ice crusher comprising: rotatable spaced crusher blades; stationary anvil means in the path of said crusher blades including stationary spaced arms extending between adjacent crusher blades and spaced to provide coarse crushed ice; anvil means including spaced arms having upper surfaces wider than said stationary arms and each being movable to an operative position below, adjacent, and extending along a respective stationary arm, said movable arms being spaced closer together than said stationary arms to provide finely crushed ice.
Claim 2
Dependent Claim
80 words
An ice crusher comprising: rotatable spaced crusher blades; stationary anvil means in the path of said crusher blades including stationary spaced arms extending between adjacent crusher blades and spaced to provide coarse crushed ice; anvil means including spaced arms having upper surfaces wider than said stationary arms and each being movable to an operative position below, adjacent, and extending along a respective stationary arm, said movable arms being spaced closer together than said stationary arms to provide finely crushed ice.
Claim 3
Dependent Claim
39 words
An ice crusher, according to claim 1, wherein the upper surfaces of said movable arms and the lower surfaces of said stationary arms have approximately the same curvature and including pivotal means for supporting ends of the movable arms.
Claim 4
Dependent Claim
20 words
An ice crusher according to claim 2 in which the upper surfaces of said stationary arms are of concave configuration.
Claim 5
Dependent Claim
24 words
An ice crusher according to claim 1 in which the ends of said stationary arms extend below the axis of rotation of said blades.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-21 | 1978-04-22 | 1978-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-21 | 1982-04-22 | 1982-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-21 | 1986-04-22 | 1986-10-22 | $7700.00 | Window Closed / Lapsed |