US3200319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical power and control mechanism for electrical appliances
Assignee: Unisys Corp
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Filing: 1962-01-29
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Granted: 1965-08-10
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Expires: 1982-01-29
Abstract
No abstract record available.
Inventors
- 👤 Robert J Tolmie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:09
CPC Classifications
B; B26; B26B; B26B19/00; B26B19/38; B26B19/3873; B26B19/28; B26B19/286; B26B19/388; H; H01; H01F; H01F27/00; H01F27/40; H02; H02J; H02J4/00; H02J4/20; H02J4/25; H02J7/00; H02J7/02; H02P; H02P7/00; H02P7/06; H02P7/08; H02P7/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
212 words
ELECTRICAL POWER AND CONTROL MECHANISM FOR AN ELECTRICAL APPLICANCE COMPRISING; A DRIVING MOTOR HAVING TWO MOTOR TERMINALS; A RECHARGEABLE BATTERY HAVING A POSITIVE AND A NEGATIVE TERMINAL; A POWER PACK CONSISTING OF TRANSFORMER MEANS HAVINGA SECONDARY AND A PRIMARY WINDING, A RESISTOR OF PREDETERMINED OHMIC VALUE CONNECTED IN SERIES WITH SAID PRIMARY WINDING, SAID SECONDARY WINDING BEING CONNECTED AT ITS MIDPOINT TO THE JUNCTION POINT OF SAID RESISTOR AND SAID PRIMARY WINDING, AND FULL WAVE RECTIFYING MEANS CONNECTED TO AID SECONDARY WINDING FOR PROVIDING UNIDIRECTIONAL POWER AT A PREDETERMINED MAGNITUDE UNDER CONDITIONS WHERE SAID PRIMARY WINDING IS CONNECTED THROUGH SAID RESISTOR TO AN ALTERNATING SOURCE OF POWER; AND ELECTRIC CIRCUIT CONNECTING MEANS SELECTIVELY OPERABLE TO A FIRST CERTAIN CONDITION CONNECTING SAID DRIVING MOTOR ACROSS SAID BATTERY FOR ENERGIZATION THEREFROM FOR ROTATION IN A PREDETERMINED DIRECTION, TO A SECOND CERTAIN CONDITION CONNECTING SAID BATTERY TO SAID POWER PACK FOR CHARGING OF SAID BATTERY, SAID ELECTRIC CIRCUIT CONNECTING MEANS ALSO BEING OPERABLE TO A THIRD CERTAIN CONDITION CONNECTING SAID DRIVING MOTOR TO SAID POWER PACK, SHORTING SAID RESISTOR IN SAID PRIMARY WINDING CIRCUIT FOR ENERGIZING SAID DRIVING MOTOR AT A PREDETERMINED INCREASE MAGNITUDE OF UNIDIRECTIONAL POWER FOR ROTATION IN SAID PREDETEMINED DIRECTION, AND CONNECTING SAID BATTERY FOR ELECTRICALLY ISOLATING SAID BATTERY FROM SAID MOTOR.
References Cited (Backward Citations)
DE1051163B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |