Patent US3132229A successfully refreshed from Google Patents.
US3132229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric hot plate
Assignee: Motors Liquidation Co
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Filing: 1961-08-21
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Granted: 1964-05-05
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Expires: 1981-08-21
Abstract
No abstract record available.
Inventors
- 👤 Robert D Bremer
- 👤 George C Pearce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:09
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/68; H05B3/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A SOLID PLATE COOKING UNIT FOR AN ELECTRIC RANGE COMPRISING, A CASTING OF PREDETERMINED MASS AND MATERIAL A HEATING MEANS IN JUXTAPOSITION TO SAID CASTING, A POWER SOURCE FOR ENERGIZING SAID HEATING MEANS AND HAVING HIGH AND LOW VOLTAGE CONDUCTORS, AND MEANS TO CONTROL SAID POWER SOURCE TO FLASH SAID HEATING MEANS ON HIGH VOLTAGE FOR A TIME INTERVAL PREDETERMINED IN ACCORDANCE WITH THE PREDETERMINED MASS AND MATERIAL OF SAID CASTING, SAID CONTROL MEANS INCLUDING SWITCH MEANS FOR CONNECTING SAID HEATING MEANS IN SERIES WITH SAID HIGH VOLTAGE CONDUCTOR WHEN SAID HEATING MEANS IS BEING FLASHED FOR SAID TIME INTERVAL, LATCH MEANS OPERATIVELY CONNECTED TO SAID SWITCH MEANS AND IN SERIES THEREWITH FOR OPERATING SAID SWITCH MEANS TO DISCONNECT SAID HEATING MEANS FROM SAID HIGH VOLTAGE CONDUCTOR AT THE END OF SAID TIME INTERVAL, AND RESISTANCE MEANS IN SERIES WITH SAID SWITCH MEANS, SAID HEATING MEANS AND SAID LATCH MEANS FOR DETERMINING THE DURATION OF SAID TIME INTERVAL.
Claim 2
Dependent Claim
158 words
A SOLID PLATE COOKING UNIT FOR AN ELECTRIC RANGE COMPRISING, A CASTING OF PREDETERMINED MASS AND MATERIAL A HEATING MEANS IN JUXTAPOSITION TO SAID CASTING, A POWER SOURCE FOR ENERGIZING SAID HEATING MEANS AND HAVING HIGH AND LOW VOLTAGE CONDUCTORS, AND MEANS TO CONTROL SAID POWER SOURCE TO FLASH SAID HEATING MEANS ON HIGH VOLTAGE FOR A TIME INTERVAL PREDETERMINED IN ACCORDANCE WITH THE PREDETERMINED MASS AND MATERIAL OF SAID CASTING, SAID CONTROL MEANS INCLUDING SWITCH MEANS FOR CONNECTING SAID HEATING MEANS IN SERIES WITH SAID HIGH VOLTAGE CONDUCTOR WHEN SAID HEATING MEANS IS BEING FLASHED FOR SAID TIME INTERVAL, LATCH MEANS OPERATIVELY CONNECTED TO SAID SWITCH MEANS AND IN SERIES THEREWITH FOR OPERATING SAID SWITCH MEANS TO DISCONNECT SAID HEATING MEANS FROM SAID HIGH VOLTAGE CONDUCTOR AT THE END OF SAID TIME INTERVAL, AND RESISTANCE MEANS IN SERIES WITH SAID SWITCH MEANS, SAID HEATING MEANS AND SAID LATCH MEANS FOR DETERMINING THE DURATION OF SAID TIME INTERVAL.
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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |