US3308954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Domestic appliance
Assignee: Motors Liquidation Co
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Filing: 1964-05-04
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Granted: 1967-03-14
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Expires: 1984-05-04
Abstract
No abstract record available.
Inventors
- 👤 Paul F Powder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:40
CPC Classifications
D; D06; D06F; D06F37/00; D06F37/20; D06F37/22; D06F2103/00; D06F2103/26; D06F33/00; D06F33/30; D06F33/48; D06F34/00; D06F34/14; D06F34/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN A DOMESTIC APPLIANCE HAVING A HIGH-SPEED SPIN CYCLE OF OPERATION DURING WHICH A ROTATABLE RECEPTACLE SPINS AT A RELATIVELY HIGH SPEED, THE COMBINATION OF, AN ELECTRIC MOTOR FOR EFFECTING THE HIGH-SPEED SPIN OF THE RECEPTACLE, CIRCUIT MEANS INCLUDING FIRST SWITCH MEANS FOR ELECTRICALLY CONNECTING SAID MOTOR TO A SOURCE OF POWER, FIRST TIMER MEANS IN SAID CIRCUIT MEANS FOR SEQUENTIALLY CONDITIONING SAID FIRST SWITCH MEANS TO EFFECT A PREDETERMINED SEQUENCE OF OPERATING CYCLES, SECOND SWITCH MEANS RESPONSIVE TO VIBRATIONS IN THE APPLIANCE, SECOND TIMER MEANS OPERATIVE UPON A PREDETERMINED APPLIANCE VIBRATION SENSED BY SAID SECOND SWITCH MEANS FOR CONDITIONING SAID CIRCUIT MEANS TO DE-ENERGIZED SAID FIRST TIMER MEANS TO INTERRUPT SAID SEQUENCE OF OPERATING CYCLES, THIRD SWITCH MEANS RESPONSIVE TO OPERATION OF SAID SECOND TIMER MEANS FOR PULSATINGLY ENERGIZING SAID ELECTRIC MOTOR WHILE SAID FIRST TIMER MEANS IS DE-ENERGIZED TO EFFECT A
Claim 2
Dependent Claim
143 words
IN A DOMESTIC APPLIANCE HAVING A HIGH-SPEED SPIN CYCLE OF OPERATION DURING WHICH A ROTATABLE RECEPTACLE SPINS AT A RELATIVELY HIGH SPEED, THE COMBINATION OF, AN ELECTRIC MOTOR FOR EFFECTING THE HIGH-SPEED SPIN OF THE RECEPTACLE, CIRCUIT MEANS INCLUDING FIRST SWITCH MEANS FOR ELECTRICALLY CONNECTING SAID MOTOR TO A SOURCE OF POWER, FIRST TIMER MEANS IN SAID CIRCUIT MEANS FOR SEQUENTIALLY CONDITIONING SAID FIRST SWITCH MEANS TO EFFECT A PREDETERMINED SEQUENCE OF OPERATING CYCLES, SECOND SWITCH MEANS RESPONSIVE TO VIBRATIONS IN THE APPLIANCE, SECOND TIMER MEANS OPERATIVE UPON A PREDETERMINED APPLIANCE VIBRATION SENSED BY SAID SECOND SWITCH MEANS FOR CONDITIONING SAID CIRCUIT MEANS TO DE-ENERGIZED SAID FIRST TIMER MEANS TO INTERRUPT SAID SEQUENCE OF OPERATING CYCLES, THIRD SWITCH MEANS RESPONSIVE TO OPERATION OF SAID SECOND TIMER MEANS FOR PULSATINGLY ENERGIZING SAID ELECTRIC MOTOR WHILE SAID FIRST TIMER MEANS IS DE-ENERGIZED TO EFFECT A
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |