US2885294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oven and method of preparing food
Assignee: Vict Th Engwall and Co KB
•
Filing: 1954-08-30
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Granted: 1959-05-05
•
Expires: 1974-08-30
Abstract
No abstract record available.
Inventors
- 👤 Larson Gerhard Victor
- 👤 Sjolund Waino Valdemar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:42
CPC Classifications
F; F24; F24C; F24C7/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
43 words
A METHOD OF PREPARING FOOD COMPRISING TREATING THE FOOD IN A SEALED SPACED IN AN ATMOSPHERE OF SUPERHEATED STREAM OF A CONSIDERABLY LOWER SUPERATMOSPHERIC PRESSURE THAN THE PRESSURE OF SATURATED STREAM AT THE SAME TEMPERATURE, AND MAINTAINING THE WALLS CONFINING SAID SPACE AT
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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) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |