US3248221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods for cooking food
Assignee: Individual
•
Filing: 1963-03-04
•
Granted: 1966-04-26
•
Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 Robert J Shulz
- 👤 Jr Alfred Vischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:45
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/14; A47J27/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A METHOD OF COOKING FOOD IN A STEAM-OPERATED PRESSURE TYPE COOKER COMPRISING THE STEPS OF: POSITIONING A FOOD ITEM IN A SEALED VESSEL, SUPPLYING STEAM TO SAID VESSEL TO BRING THE PRESSURE AND TEMPERATURE IN SAID VESSEL TO A PREDETERMINED COOKING LEVEL, MAINTAINING THE PRESSURE AT THE COOKING LEVEL BY CONTINUING TO SUPPLY STEAM TO SAID VESSEL,
Claim 2
Independent Claim
57 words
A METHOD OF COOKING FOOD IN A STEAM-OPERATED PRESSURE TYPE COOKER COMPRISING THE STEPS OF: POSITIONING A FOOD ITEM IN A SEALED VESSEL, SUPPLYING STEAM TO SAID VESSEL TO BRING THE PRESSURE AND TEMPERATURE IN SAID VESSEL TO A PREDETERMINED COOKING LEVEL, MAINTAINING THE PRESSURE AT THE COOKING LEVEL BY CONTINUING TO SUPPLY STEAM TO SAID VESSEL,
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |