US3287927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic ice maker
Assignee: General Electric Co
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Filing: 1966-02-07
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Granted: 1966-11-29
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Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 Dwight W Jacobus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:59
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A HYDRAULIC ICE MAKER COMPRISING: A TUBE OPEN AT ONE END FOR CONTAINING WATER TO BE FROZEN INTO ICE; MEANS FOR FREEZING THE WATER CONTAINED IN SAID TUBE; SAID TUBE HAVING A WATER INLET AT THE OTHER END THEREOF FOR INTRODUCING WATER UNDER PRESSURE INTO SAID TUBE TO EJECT A PORTION OF THE ICE FROM SAID ONE END OF SAID TUBE; ICE SEVERING MEANS INCLUDING AN EXPANSION CHAMBER OPERABLE UPON EXPANSION OF SAID CHAMBER TO SEVER AN EJECTED PORTION OF ICE; WATER SUPPLY MEANS INCLUDING, IN SERIES CONNECTION A NORMALLY CLOSED VALVE MEANS CONNECTED TO A SOURCE OR WATER, A BOILER, A RELIEF VALVE AND WATER CONDUIT
Claim 2
Dependent Claim
107 words
A HYDRAULIC ICE MAKER COMPRISING: A TUBE OPEN AT ONE END FOR CONTAINING WATER TO BE FROZEN INTO ICE; MEANS FOR FREEZING THE WATER CONTAINED IN SAID TUBE; SAID TUBE HAVING A WATER INLET AT THE OTHER END THEREOF FOR INTRODUCING WATER UNDER PRESSURE INTO SAID TUBE TO EJECT A PORTION OF THE ICE FROM SAID ONE END OF SAID TUBE; ICE SEVERING MEANS INCLUDING AN EXPANSION CHAMBER OPERABLE UPON EXPANSION OF SAID CHAMBER TO SEVER AN EJECTED PORTION OF ICE; WATER SUPPLY MEANS INCLUDING, IN SERIES CONNECTION A NORMALLY CLOSED VALVE MEANS CONNECTED TO A SOURCE OR WATER, A BOILER, A RELIEF VALVE AND WATER CONDUIT
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |