US3315489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Poultry freezing apparatus of the liquid spray type
Assignee: RALPH ZEBARTH Inc
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Filing: 1965-12-20
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Granted: 1967-04-25
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Expires: 1985-12-20
Abstract
No abstract record available.
Inventors
- 👤 Ralph S Zebarth
- 👤 James L Gerner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:17
CPC Classifications
A; A23; A23B; A23B4/00; A23B4/06; A23B4/062; F; F25; F25D; F25D13/00; F25D13/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A POULTRY FREEZING APPARATUS OF A TYPE UTILIZING A HYGROSCOPIC LIQUID REFRIGERANT COMPRISING: (A) A CABINET DEFINING A HORIZONTAL PATH OF TRAVEL, (B) A CONVEYOR OPERABLE TO CONVEY POULTRY TO BE FROZEN ALONG SAID HORIZONTAL PATH THROUGH SAID CABINET, SAID CABINET BEING OPEN AT THE RESPECTIVE ENDS OF SAID PATH, (C) FLOW CONTROL MEANS WITHIN SAID CABINET AND OPERABLE TO DIRECT A HYGROSCOPIC LIQUID REFRIGERANT DOWNWARDLY OVER THE POULTRY CARRIED BY SAID CONVEYOR IN THE FORM OF A SERIES OF CONTINUOUS UNBROKEN FLOWING CURTAINS, SAID CURTAINS BEING SPACED APART LONGITUDINALLY TO THE PATH OF TRAVEL AND EXTENDING TRANSVERSELY TO SAID PATH OF TRAVEL FROM SIDE TO SIDE OF SAID CABINET, WHEREBY TO INHIBIT FREE CIRCULATION OF AIR WITHIN SAID CABINET.
Claim 2
Dependent Claim
120 words
A POULTRY FREEZING APPARATUS OF A TYPE UTILIZING A HYGROSCOPIC LIQUID REFRIGERANT COMPRISING: (A) A CABINET DEFINING A HORIZONTAL PATH OF TRAVEL, (B) A CONVEYOR OPERABLE TO CONVEY POULTRY TO BE FROZEN ALONG SAID HORIZONTAL PATH THROUGH SAID CABINET, SAID CABINET BEING OPEN AT THE RESPECTIVE ENDS OF SAID PATH, (C) FLOW CONTROL MEANS WITHIN SAID CABINET AND OPERABLE TO DIRECT A HYGROSCOPIC LIQUID REFRIGERANT DOWNWARDLY OVER THE POULTRY CARRIED BY SAID CONVEYOR IN THE FORM OF A SERIES OF CONTINUOUS UNBROKEN FLOWING CURTAINS, SAID CURTAINS BEING SPACED APART LONGITUDINALLY TO THE PATH OF TRAVEL AND EXTENDING TRANSVERSELY TO SAID PATH OF TRAVEL FROM SIDE TO SIDE OF SAID CABINET, WHEREBY TO INHIBIT FREE CIRCULATION OF AIR WITHIN SAID CABINET.
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) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |