US3208233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Home ice cube maker and unitary control
Assignee: Whirlpool Corp
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Filing: 1962-11-13
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Granted: 1965-09-28
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Expires: 1982-11-13
Abstract
No abstract record available.
Inventors
- 👤 William J Linstromberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:20
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/04; F25B; F25B49/00; F25B49/02; F25C2305/00; F25C2305/024
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
150 words
REFRIGERATION APPARATUS COMPRISING: MEANS DIFINING A CHAMBER; MOLD MEANS; MEANS FOR REFRIGERATING SAID CHAMBER AND FOR REFRIGERATING WATER DISPOSED IN SAID MOLD MEANS TO FORM AN ICE BODY; MEANS FOR EJECTING TYE ICE BODY FORM SAID MOLD MEANS; MEANS FOR EJECTING THE EJECTED ICE BODIES; THERMOSTAT MEANS HAVING A SINGLE SWITCH AND ACTUATING MEANS RESPONSIVE TO (A) THE TEMPERATURE OF SAID CHAMBER AND TO (D) THE FORMATION OF THE ICE BODY IN SAID MOLD MEANS; AND CONTROL MEANS CONNECTED TO SAID THERMOSTAT SWITCH TO (A) INITASTE OPERATION OF THE EJECTING MEANS ONLY WHEN THE TEMPERATURE OF SAID CHAMBER IS BELOW A PRESELECTED LOW TEMPERATURE AND THE ICE BODY IS FULLY FORMED IN SAID MOLD AND TO (D) CAUSE THE REFREGERATING MEANS TO MAINTAIN THE TEMPERATURE IN SAID CHAMBER BETWEEN A PRESELECTED MAXIMUM AND MINIMUM WHEN THE LEVEL OF ICE BODIES IN SAID COLLECTING MEANS IS AT LEAST A PRESELECTED LEVEL.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |