US3274792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Icemaker with piston-type ice remover
Assignee: Remcor Products Co
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Filing: 1965-09-16
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Granted: 1966-09-27
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Expires: 1985-09-16
Abstract
No abstract record available.
Inventors
- 👤 Albert G Weil
- 👤 Walter A Zeuschner
- 👤 Kenneth W Zeuschner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:21
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/12; F25C1/14; F25C1/145
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
138 words
IN AN ICEMAKER: A FREEZING PLATE DEFINING AN UPWARDLY OPEN FREEZING CHAMBER ADAPTED TO HAVE AN ICE SLAB FORMED ON THE INNER SURFACE THEREOF; MEANS FOR FLOWING WATER DOWNWARDLY OVER THE INNER SURFACE OF SAID FREEZING CHAMBER; MEANS FOR SUPPLYING REFRIGERANT TO SAID FREEZING PLATE TO FORM ICE THEREON; ICE BREAKER MEANS INCLUDING A CRUSHER ROTATABLY MOUNTED AT THE UPPER END OF SAID CHAMBER; MEANS FOR MOVING FORMED ICE INTO THE PATH OF SAID CRUSHER INCLUDING LIFT PLATE MEANS MOUNTED WITHIN SAID CHAMBER FOR MOVEMENT FROM ADJACENT THE LOWER END OF SAID CHAMBER TO ADJACENT SAID CRUSHER; COMMON DRIVE MEANS FOR CONJOINTLY ROTATING SAID CRUSHER AND MOVING SAID LIFT PLAT MEANS; AND MEANS RESPONSIVE TO FORMATION OF A SLAB OF ICE ON SAID FREEZING PLATE FOR STOPPING THE SUPPLY OF REFRIGERANT AND STARTING OPERATION OF SAID DRIVE MEANS.
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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |