US2708167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pasteurization of heat sensitive liquids
Assignee: EQUIPMENT DES IND LAITIERES ET
•
Filing: 1952-08-19
•
Granted: 1955-05-10
•
Expires: 1972-08-19
Abstract
No abstract record available.
Inventors
- 👤 Nanz Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:32
CPC Classifications
A; A23; A23B; A23B11/00; A23B11/10; A23B11/12; A23B11/13; A23B11/133; A23B11/1336
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
89 words
A PROCESS FOR PASTEURIZING HEAT SENSIVE LIQUIDS, WHICH COMPRISES FLOWING A THIN LAYER OF THE LIQUID IN THE FORM OF AN ANNULUS THROUGH A HEATING ZONE IN CONTACT WITH A HEAT WALL FOR A PERIOD NOT EXCEEDING TWO SECONDS TO HEAT THE LIQUID TO PASTERIZING TEMPERATURE, DIVIDING THE HEATING ZONE INTO A FIRST AND SECOND GAS TIGHT COMPARTMENT BY MEANS INCLUDING A SEALING RING CONSISTUTED BY SOME OF LIQUID BEING PASTEURIZED, THE FIRST COMPARTMENT BEING LOCATED UPSTREAM RELATIVE TO THE SECOND COMPARTMENT, MAINTAINING THE FIRST COMPARTMENT AT A PRESSURE
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) | 1958-05-09 | 1958-11-08 | 1959-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-09 | 1962-11-08 | 1963-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-09 | 1966-11-08 | 1967-05-10 | $7700.00 | Window Closed / Lapsed |