US3384071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooking apparatus
Assignee: Robertshaw Controls Co
•
Filing: 1965-02-12
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Granted: 1968-05-21
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Expires: 1985-02-12
Abstract
No abstract record available.
Inventors
- 👤 William K Body
- 👤 Russell J Locascio
- 👤 Harold W Rice
- 👤 Douglas R Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:25
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/06; F23N5/067; F24; F24C; F24C3/00; F24C3/12; F24C3/126; F24C3/128; F23N2235/00; F23N2235/12; F23N2235/20; F23N2235/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
IN A COOKING APPARATUS HAVING AN OVEN CASING AND A DOOR MEANS FOR OPENING AND CLOSING SAID OVEN CASING, THE IMPROVEMENT COMPRISING A MOVABLE LATCH MEMBER FOR LATCHING SAID DOOR IN ITS CLOSED POSITIN WHEN SAID LATCH MEMBER IS IN ONE POSITON THEREOF, A SINGLE SELECTOR FOR SELECTING A HIGH TEMPERATURE SETTING FOR SAID OVEN WHEN SAID SELECTOR IS IN ONE POSITION THEREOF AND FOR SELECTING ANY ONE OF A PLURALITY OF DESIRED LOWER TEMPERATURE SETTINGS FOR SAID OVEN WHEN SAID SELECTOR IS IN A TEMPERATURE POSITION OTHER THAN SAID ONE TEMPERATURE POSITION THEREOF, PNEUMATICALLY OPERATED MEANS FOR MOVING SAID LATCH MEMBER TO SAID ONE POSITION THEREOF, SAID PNEUMATICALLY OPERATED MEANS ONLY BEING ACTUATED TO MOVE SAID LATCH MEMBER TO SAID ONE POSITION THEREOF WHEN SAID SELECTOR IS IN SAID ONE POSITION THEREOF, AND TEMPERATURE SENSING MEANS FOR OVERRIDING SAID PNEUMATICALLY OPERATED MEANS AND MOVING SAID LATCH MEMBER TO A NONLATCHING POSITION THEREOF WHEN THE TEMPERATURE IN SAID OVEN IS BELOW A PREDETERMINED TEMPERATURE.
Claim 2
Dependent Claim
164 words
IN A COOKING APPARATUS HAVING AN OVEN CASING AND A DOOR MEANS FOR OPENING AND CLOSING SAID OVEN CASING, THE IMPROVEMENT COMPRISING A MOVABLE LATCH MEMBER FOR LATCHING SAID DOOR IN ITS CLOSED POSITIN WHEN SAID LATCH MEMBER IS IN ONE POSITON THEREOF, A SINGLE SELECTOR FOR SELECTING A HIGH TEMPERATURE SETTING FOR SAID OVEN WHEN SAID SELECTOR IS IN ONE POSITION THEREOF AND FOR SELECTING ANY ONE OF A PLURALITY OF DESIRED LOWER TEMPERATURE SETTINGS FOR SAID OVEN WHEN SAID SELECTOR IS IN A TEMPERATURE POSITION OTHER THAN SAID ONE TEMPERATURE POSITION THEREOF, PNEUMATICALLY OPERATED MEANS FOR MOVING SAID LATCH MEMBER TO SAID ONE POSITION THEREOF, SAID PNEUMATICALLY OPERATED MEANS ONLY BEING ACTUATED TO MOVE SAID LATCH MEMBER TO SAID ONE POSITION THEREOF WHEN SAID SELECTOR IS IN SAID ONE POSITION THEREOF, AND TEMPERATURE SENSING MEANS FOR OVERRIDING SAID PNEUMATICALLY OPERATED MEANS AND MOVING SAID LATCH MEMBER TO A NONLATCHING POSITION THEREOF WHEN THE TEMPERATURE IN SAID OVEN IS BELOW A PREDETERMINED TEMPERATURE.
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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) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |