Patent US3122897A successfully refreshed from Google Patents.
US3122897A
Expired / Lapsed
US
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Freezing tunnel for comestibles
Assignee: LEWIS REFRIGERATION Co
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Filing: 1962-03-05
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Granted: 1964-03-03
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Expires: 1982-03-05
Abstract
No abstract record available.
Inventors
- 👤 Milan R Overbye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:28
CPC Classifications
F; F25; F25D; F25D13/00; F25D13/06; F25D13/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
IN A FREEZING TUNNEL FOR COMESTIBLES AND THE LIKE, AN APPARATUS COMPRISING A CONVEYOR TO CARRY SAID COMESTIBLES THROUGH A FREEZING ZONE OF SAID TUNNEL, A ROLLER OVER WHICH SAID CONVEYOR TRAINS, A HYDRAULIC MOTOR TO EFFECT A TRAVEL OF SAID CONVEYOR, A HYDRAULIC POWER SOURCE TO DRIVE SAID MOTOR BY MEANS OF A FLUID MEDIUM, AND MEANS TO
Claim 2
Dependent Claim
59 words
IN A FREEZING TUNNEL FOR COMESTIBLES AND THE LIKE, AN APPARATUS COMPRISING A CONVEYOR TO CARRY SAID COMESTIBLES THROUGH A FREEZING ZONE OF SAID TUNNEL, A ROLLER OVER WHICH SAID CONVEYOR TRAINS, A HYDRAULIC MOTOR TO EFFECT A TRAVEL OF SAID CONVEYOR, A HYDRAULIC POWER SOURCE TO DRIVE SAID MOTOR BY MEANS OF A FLUID MEDIUM, AND MEANS TO
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) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |