Patent US2826045A successfully refreshed from Google Patents.
US2826045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Freezing apparatus
Assignee: Dow Chemical Co
•
Filing: 1954-10-29
•
Granted: 1958-03-11
•
Expires: 1974-10-29
Abstract
No abstract record available.
Inventors
- 👤 Poffenberger Noland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:50
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
APPARTUS FOR FREEZING AN ORGANIC MATERIAL, SAID FREEZING APPARATUS COMPRISING AT LEAST ONE INCLINED FREEZING PLATE HAVING A FREEZING CHANNEL INCLUDING AN INTAKE END AND A DISCHARGE END, SAID CHANNEL HAVING A SUBSTANTIALLY PLANAR BOTTOM AND HAVIGN SIDES EXTENDING UPWARDLY FROM TWO OPPOSITE EDGES THEREOF, MEANS FOR ALTERNATELY COOLING AND HEATING THE BOTTOM OF SAID CHANNEL, MEANS FOR CONTINUOUSLY HEATING SAID SIDES, MERANS FOR INTRODUCING AT PERIODIC INTEVALS AT THE INTAKE END OF SAID CHANUEL A STREAM OF LIQUID FEED TO BE FROZEN, TANK MEANS
Claim 2
Dependent Claim
85 words
APPARTUS FOR FREEZING AN ORGANIC MATERIAL, SAID FREEZING APPARATUS COMPRISING AT LEAST ONE INCLINED FREEZING PLATE HAVING A FREEZING CHANNEL INCLUDING AN INTAKE END AND A DISCHARGE END, SAID CHANNEL HAVING A SUBSTANTIALLY PLANAR BOTTOM AND HAVIGN SIDES EXTENDING UPWARDLY FROM TWO OPPOSITE EDGES THEREOF, MEANS FOR ALTERNATELY COOLING AND HEATING THE BOTTOM OF SAID CHANNEL, MEANS FOR CONTINUOUSLY HEATING SAID SIDES, MERANS FOR INTRODUCING AT PERIODIC INTEVALS AT THE INTAKE END OF SAID CHANUEL A STREAM OF LIQUID FEED TO BE FROZEN, TANK MEANS
References Cited (Backward Citations)
US162397A
Cited
US706510A
Cited
US2387899A
Cited
US2444514A
Cited
US2613511A
Cited
US2682155A
Cited
US2755506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |