US3377173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for the heating under pressure of commodities packed in containers
Assignee: Gebr Stork and Companies Apparatenfabriek NV
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Filing: 1964-11-24
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Granted: 1968-04-09
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Expires: 1984-11-24
Abstract
No abstract record available.
Inventors
- 👤 Winden Johannes Bernardus Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:01
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/20; A23B2/22; A23B2/225
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
A METHOD COMPRISING ADVANCING CONTAINER CONAINING COMMODITIES ALONG A PATH THROUGH A HEATING ZONE AND THEN THROUGH A COOLING ZONE, MAINTAINING A PRESSURE GREATER THAN ATMOSPHERIC IN THE HEATING ZONE, ISOLATING THE HEATING ZONE AND THE COOLING ZONE BY A LIQUID SEAL THROUGH WHICH THE CONTAINERS PASS AS THEY ADVANCE FROM THE HEATING ZONE TO THE COOLING ZONE, SPRAYING A COOLING LIQUID INTO THE COOLING ZONE TO COOL THE CONTAINERS THEREIN, AND INTRODUCING A GASEOUS PRESSURE FLUID IN THE COOLING ZONE TO MAINTAIN THE PRESSURE THEREIN AT SUBSTANTIALLY THE SAME VALUE AS IN THE HEATING ZONE SO THAT THE LEVEL OF THE LIQUID SEAL IN THE HEATING AND COOLING ZONES IS THE SAME.
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) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |