US3156104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick food freezing apparatus with vacuum means
Assignee: Town and Country Food Co Inc
•
Filing: 1962-05-18
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Granted: 1964-11-10
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Expires: 1982-05-18
Abstract
No abstract record available.
Inventors
- 👤 Robert C Norr
- 👤 Merrill D Swaidner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:24
CPC Classifications
F; F25; F25D; F25D31/00; F25D31/001; F25D17/00; F25D17/04; F25D17/042; F25D2317/00; F25D2317/04; F25D2317/043; F25D2400/00; F25D2400/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
APPARATUS FOR FREEZING FOOD PRODUCTS COMPRISING: AT LEAST ONE FREEZING CELL, SAID CELL HAVING A FLAT, RIGID BOTTOM WALL FORMED OF RELATIVELY THIN HEAT-CONDUCTIVE METAL, A TOP WALL FORMED OF RELATIVELY THIN SHEET OF RUBBER-LIKE MATERIAL, SAID TOP WALL BEING SECURED AROUND A PART OF ITS PERIMETER TO SAID BOTTOM WALL AND NORMALLY FORMING A CAVITY THEREWITH FOR RECEIVING THE PRODUCTS TO BE FROZEN, MEANS JOINING ANOTHER PART OF THE PERIMETER OF SAID TOP WALL AND SAID BOTTOM WALL AND FORMING AN OPENING COMMUNICATING WITH SAID CAVITY, AND MEANS FOR SEALINGLY CLOSING SAID OPENING; MEANS FOR EVACUATING SAID CAVITY WHEREBY SAID TOP WALL INTIMATELY ENGAGES THE PRODUCTS IN SAID CAVITY AND FORCES SAID PRODUCTS INTO INTIMATE ENGAGEMENT WITH SAID BOTTOM WALL; AND REFRIGERATION MEANS FOR FREEZING THE PRODUCTS IN SAID CAVITY AND INCLUDING A FREEZING ELEMENT IN DIRECT CONTACT WITH THE OUTER SURFACE OF SAID BOTTOM WALL, AND MEANS FOR CIRCULATING REFRIGERATED AIR OVER THE OUTER SURFACE OF SAID TOP WALL.
Claim 2
Dependent Claim
161 words
APPARATUS FOR FREEZING FOOD PRODUCTS COMPRISING: AT LEAST ONE FREEZING CELL, SAID CELL HAVING A FLAT, RIGID BOTTOM WALL FORMED OF RELATIVELY THIN HEAT-CONDUCTIVE METAL, A TOP WALL FORMED OF RELATIVELY THIN SHEET OF RUBBER-LIKE MATERIAL, SAID TOP WALL BEING SECURED AROUND A PART OF ITS PERIMETER TO SAID BOTTOM WALL AND NORMALLY FORMING A CAVITY THEREWITH FOR RECEIVING THE PRODUCTS TO BE FROZEN, MEANS JOINING ANOTHER PART OF THE PERIMETER OF SAID TOP WALL AND SAID BOTTOM WALL AND FORMING AN OPENING COMMUNICATING WITH SAID CAVITY, AND MEANS FOR SEALINGLY CLOSING SAID OPENING; MEANS FOR EVACUATING SAID CAVITY WHEREBY SAID TOP WALL INTIMATELY ENGAGES THE PRODUCTS IN SAID CAVITY AND FORCES SAID PRODUCTS INTO INTIMATE ENGAGEMENT WITH SAID BOTTOM WALL; AND REFRIGERATION MEANS FOR FREEZING THE PRODUCTS IN SAID CAVITY AND INCLUDING A FREEZING ELEMENT IN DIRECT CONTACT WITH THE OUTER SURFACE OF SAID BOTTOM WALL, AND MEANS FOR CIRCULATING REFRIGERATED AIR OVER THE OUTER SURFACE OF SAID TOP WALL.
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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) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |