US3173276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless conveyor type freezer
Assignee: Refrigeration Engineering Corp
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Filing: 1962-06-26
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Granted: 1965-03-16
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Expires: 1982-06-26
Abstract
No abstract record available.
Inventors
- 👤 Martin Walter Harper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:14
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/80; A23B2/803; F; F25; F25D; F25D25/00; F25D25/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
IN A CONTINUOUS QUICK-FREEZE INSTALLATION FOR COMESTIBLES AND THE LIKE, A HORIZONTAL ELONGATED CHAMBER HAVING LOADING AND DISCHARGE OPENINGS AT AN END THEREOF, A MULTI-TRAVERSE CHAIN CONVEYOR WITH RUNS EXTENDING HORIZONTALLY AND LONGITUDINALLY OF SAID CHAMBER, MEANS FOR SUPPORTING ARTICLES TO BE FORZEN AT INTERVALS ALONG THE CHAINS OF SAID CONVEYOR, MEANS FOR INTRODUCING A HIGH VELOCITY STREAM OF REFRIGERATED AIR INTO THE UPPER PORTION OF SAID CHAMBER, AND A JET DECK EXTENDING HORIZONTALLY ACROSS THE UPPER PORTION OF SAID CHAMBER ABOVE THE UPPERMOST RUN OF SAID CONVEYOR AND COMPRISING A SERIES OF SPACED NARROW PANELS, THE SPACES BETWEEN SAID PANELS BEING OF CONVERGING CONFIGURATION TO INCREASE THE VELOCITY OF THE AIR FLOWING THERETHROUGH, THE MEANS FOR SUPPORTING THE ARTICLES UPON THE CONVEYOR COMPRISING A SERIES OF TRAYS SPACED APART ALONG THE RUNS OF THE CONVEYOR, NARROW SPACES BETWEEN THE SUCCESSIVE ADJACENT TRAYS BEING BOUNDED FORE AND AFT THE VERTICAL PANELS FORMING PARTS OF THE TRAYS,
Claim 2
Dependent Claim
156 words
IN A CONTINUOUS QUICK-FREEZE INSTALLATION FOR COMESTIBLES AND THE LIKE, A HORIZONTAL ELONGATED CHAMBER HAVING LOADING AND DISCHARGE OPENINGS AT AN END THEREOF, A MULTI-TRAVERSE CHAIN CONVEYOR WITH RUNS EXTENDING HORIZONTALLY AND LONGITUDINALLY OF SAID CHAMBER, MEANS FOR SUPPORTING ARTICLES TO BE FORZEN AT INTERVALS ALONG THE CHAINS OF SAID CONVEYOR, MEANS FOR INTRODUCING A HIGH VELOCITY STREAM OF REFRIGERATED AIR INTO THE UPPER PORTION OF SAID CHAMBER, AND A JET DECK EXTENDING HORIZONTALLY ACROSS THE UPPER PORTION OF SAID CHAMBER ABOVE THE UPPERMOST RUN OF SAID CONVEYOR AND COMPRISING A SERIES OF SPACED NARROW PANELS, THE SPACES BETWEEN SAID PANELS BEING OF CONVERGING CONFIGURATION TO INCREASE THE VELOCITY OF THE AIR FLOWING THERETHROUGH, THE MEANS FOR SUPPORTING THE ARTICLES UPON THE CONVEYOR COMPRISING A SERIES OF TRAYS SPACED APART ALONG THE RUNS OF THE CONVEYOR, NARROW SPACES BETWEEN THE SUCCESSIVE ADJACENT TRAYS BEING BOUNDED FORE AND AFT THE VERTICAL PANELS FORMING PARTS OF THE TRAYS,
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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) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |