Patent US3201951A successfully refreshed from Google Patents.
US3201951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Updraft continuous freezer
Assignee: W E STONE AND CO Inc
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Filing: 1963-12-16
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Granted: 1965-08-24
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Expires: 1983-12-16
Abstract
No abstract record available.
Inventors
- 👤 Bert N Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:03
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/80; A23B2/803; F; F25; F25D; F25D13/00; F25D13/06; F25D13/067; F25D21/00; F25D21/06; F25D21/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
IN A CONTINUOUS FREEZER, AN ENDLESS PERFORATED BELT CONVEYOR HAVING AN UPPER PRODUCT-CARRYING COURSE, MOVABLE NON-REFRIGERATING PERFORATED COMBINATION FROST COLLECTING AND PRODUCT CONFINING MEANS SPACED DIRECTLY ABOVE SAID UPPER COURSE, MEANS FOR ENCLOSING AN INTERMEDIATE PART OF THE LENGTH OF THE SACE LOCATED BETWEEN SAID UPPER COURSE AND SAID COMBINATION MEANS TO DEFINE A FREEZING ZONE, AND MEANS FOR PASSING A GASEOUS COOLING MEDIUM UPWARDLY THROUGH SAID FREEZING ZONE BY PASSAGE THEREOF UPWARDLY THROUGH SAID UPPER COURSE AND COMBINATION MEANS.
Claim 2
Dependent Claim
80 words
IN A CONTINUOUS FREEZER, AN ENDLESS PERFORATED BELT CONVEYOR HAVING AN UPPER PRODUCT-CARRYING COURSE, MOVABLE NON-REFRIGERATING PERFORATED COMBINATION FROST COLLECTING AND PRODUCT CONFINING MEANS SPACED DIRECTLY ABOVE SAID UPPER COURSE, MEANS FOR ENCLOSING AN INTERMEDIATE PART OF THE LENGTH OF THE SACE LOCATED BETWEEN SAID UPPER COURSE AND SAID COMBINATION MEANS TO DEFINE A FREEZING ZONE, AND MEANS FOR PASSING A GASEOUS COOLING MEDIUM UPWARDLY THROUGH SAID FREEZING ZONE BY PASSAGE THEREOF UPWARDLY THROUGH SAID UPPER COURSE AND COMBINATION 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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |