US3280304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for boiling eggs
Assignee: Toshiba Corp
•
Filing: 1963-10-24
•
Granted: 1966-10-18
•
Expires: 1983-10-24
Abstract
No abstract record available.
Inventors
- 👤 Shinohara Motoki
- 👤 Mikata Yozo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:03
CPC Classifications
A; A47; A47J; A47J29/00; A47J29/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
AN EGG COOKER COMPRISING A POT HAVING A SUBSTANTIALLY FLAT AND HORIZONTAL BOTTOM SUPPORT SURFACE AND ADAPTED TO SUPPORT EGGS TO BE COOKED THEREIN IN A SUBSTANTIALLY HORIZONTAL ORIENTATION AND TO CONTAIN WATER IN AN AMOUNT IMMERSING SAID EGGS THEREIN, AN ELONGATED THERMOSTAT EXTENDING CENTRALLY AND VERTICALLY UPWARDLY IN SAID POT TO BE RESPONSIVE TO THE TEMPERATURE OF THE UPPER PORTION OF SAID BODY OF WATER, AN ELECTRIC HEATER OPERATIVELY ASSOCIATED WITH SAID POT TO HEAT THE WATER THEREIN, AND POSITIONED ABOVE THE BOTTOM OF THE POT SO AS TO CREATE A PREDETERMINED TEMPERATURE DIFFERENCE BETWEEN THE UPPER AND LOWER PORTIONS OF SAID BODY OF WATER, AN ENERGIZING CIR-
Claim 2
Dependent Claim
109 words
AN EGG COOKER COMPRISING A POT HAVING A SUBSTANTIALLY FLAT AND HORIZONTAL BOTTOM SUPPORT SURFACE AND ADAPTED TO SUPPORT EGGS TO BE COOKED THEREIN IN A SUBSTANTIALLY HORIZONTAL ORIENTATION AND TO CONTAIN WATER IN AN AMOUNT IMMERSING SAID EGGS THEREIN, AN ELONGATED THERMOSTAT EXTENDING CENTRALLY AND VERTICALLY UPWARDLY IN SAID POT TO BE RESPONSIVE TO THE TEMPERATURE OF THE UPPER PORTION OF SAID BODY OF WATER, AN ELECTRIC HEATER OPERATIVELY ASSOCIATED WITH SAID POT TO HEAT THE WATER THEREIN, AND POSITIONED ABOVE THE BOTTOM OF THE POT SO AS TO CREATE A PREDETERMINED TEMPERATURE DIFFERENCE BETWEEN THE UPPER AND LOWER PORTIONS OF SAID BODY OF WATER, AN ENERGIZING CIR-
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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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |