Automatic icemaker
Abstract
Abstract AN AUTOMATIC ICEMAKER OF THE TYPE INCLUDING A ROTATABLE MOLD CONTAINING CAVITIES IN WHICH A MEASURED CHARGE OF WATER IS FROZEN AND FROM WHICH ICE PIECES ARE HEAT RELEASED FOR GRAVITY DISCHARGE BY THE WARMING ACTION OF A SUBSEQUENT CHARGE OF WATER. THE MOLD IS SO DESIGNED THAT DURING ROTATION THEREOF THE SUBSEQUENT WATER CHARGE IS FIRST CONFINED IN DIRECT CONTACT WITH ALL OF THE MOLD WALLS FROM WHICH ICE PIECES ARE TO BE RELEASED AND IS THEREAFTER TRANSFERRED TO MOLD CAVITIES FOR THE FREEZING THEREOF. IN ONE EMBODIMENT OF THE INVENTION, THE SUBSEQUENT CHARGE IS TRANSFERRED TO THE SAME MOLD CAVITIES FROM WHICH ICE PIECES HAVE BEEN RELEASED BY ITS WARMING ACTION. IN ANOTHER EMBODIMENT, THE MOLD COMPRISES TWO SETS OF CAVITIES AND THE WATER USED TO HEAT RELEASE ICE PIECES FROM ONE SET IS THEREAFTER TRANSFERRED TO THE OTHER SET OF CAVITIES.
Inventors
- 👤 Daniel N Toma
Bibliographic Details
Claims Analysis
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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) | 1974-11-08 | 1975-05-10 | 1975-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-08 | 1979-05-10 | 1979-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-08 | 1983-05-10 | 1983-11-09 | $7700.00 | Window Closed / Lapsed |