US3269142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processing apparatus for changing the temperature of articles
Assignee: Frick Co Inc
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Filing: 1964-12-24
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Granted: 1966-08-30
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Expires: 1984-12-24
Abstract
No abstract record available.
Inventors
- 👤 Mola Carlos L De
- 👤 William J Wakatsuki
- 👤 Donald W Christiansen
- 👤 Moshe Y Dreksler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:55
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/80; A23B2/803; F; F25; F25D; F25D13/00; F25D13/06; F25D13/067; B; B65; B65G; B65G2207/00; B65G2207/24
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
REFRIGERATION APPARATUS COMPRISING SPACED ROTATABLE WHEEL ASSEMBLIES HAVING SPACED VERTICAL TIERS, AT LEAST ONE ENDLESS CONVEYOR FOR SUPPORTING THEREON MATTER TO BE REFRIGERATED, SAID CONVEYOR BEING OF GENERALLY FLAT FORAMINOUS CONSTRUCTION WITH PORTIONS MOUNTED TO TRAVEL IN A CURVED PATH BY SHORTENING ALONG ONE EDGE AND LENGTHENING ALONG THE OTHER WHILE IN A SUBSTANTIALLY HORIZONTAL POSITION, AND PROVIDING GRADUAL VARIATIONS IN ELEVATIONS, LOADING AND UNLOADING STATIONS FOR MATTER TO BE SUPPLIED TO THE CONVEYOR AND REMOVED THEREFROM, MEANS FOR REFRIGERATING MATTER CARRIED BY THE CONVEYOR, MEANS FOR CAUSING THE CIRCULATION OF AIR OVER THE CONVEYOR AND IN CONTACT WITH THE MATTER SUPPORTED THEREON FOR MODIFYING THE TEMPERATURE THEREOF, AND MEANS WHEREBY SAID CONVEYOR INCLUDING THE WHEEL ASSEMBLIES CAN BE DRIVEN.
References Cited (Backward Citations)
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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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |