US3279481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dishwasher with speed control means
Assignee: Motors Liquidation Co
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Filing: 1964-08-31
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Granted: 1966-10-18
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Expires: 1984-08-31
Abstract
No abstract record available.
Inventors
- 👤 William L Sones
- 👤 James O Elliott
- 👤 George A Neyhouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:29
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/0018; A47L15/0021; A47L15/42; A47L15/4214; A47L15/4225; A47L2301/00; A47L2301/06; A47L2401/00; A47L2401/10; A47L2401/19; A47L2501/00; A47L2501/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
194 words
IN A DISHWASHING APPARATUS, THE COMBINATION OF, PUMP MEANS FOR DISTRIBUTING WASHING FLUID AGAINST ARTICLES TO BE CLEANED, MEANS FOR DRIVING SAID PUMP MEANS INCLUDING ELECTRIC MOTOR MEANS, CIRCUIT MEANS FOR SUPPLY POWER TO SAID ELECTRIC MOTOR MEANS TO DRIVE SAID PUMP MEANS DURING A CLEANING CYCLE OF OPERATION WHEREIN A FLUID IS DISCHARGED FROM SAID PUMP MEANS AGAINST ARTICLES TO BE CLEANED, SAID CIRCUIT MEANS INCLUDING MEANS FOR ESTABLISHING A FIRST SPEED OF OPERATION OF SAID MOTOR MEANS DURING SAID CLEANING CYCLE WHEREBY SAID PUMP MEANS DISCHARGES FIRST AMOUNT OF FLUID AGAINST THE ARTICLES TO BE CLEANED, AND ARTICLE PROGRAMMER MEANS FOR CONDITIONING SAID CIRCUIT MEANS TO VARY THE POWER SUPPLY TO SAID MOTOR MEANS WITHIN PREDETERMINED LIMITS WHEREBY SAID PUMP MEANS IS ADAPTED TO PRODUCE A RANGE OF FLUID DISTRIBUTION LEVELS DURING SAID CLEANING CYCLE, SAID PROGRAMMER MEANS INCLUDING PRE-SETTABLE MEANS FOR SELECTING A FLUID DISTRIBUTION LEVEL FROM SAID PUMP MEANS CORRESPONDING TO ONE OF A NUMBER OF TYPES OF ARTICLES TO BE CLEANED, SAID SELECTED FLUID DISTRIBUTION LEVEL DISCHARGED FROM SAID PUMP MEANS DURING SAID CLEANING CYCLE PRODUCING AN OPTIMUM CLEANING OF PARTICULAR TYPES OF ARTICLES BEING CLEANED DURING SAID CYCLE.
Claim 2
Dependent Claim
194 words
IN A DISHWASHING APPARATUS, THE COMBINATION OF, PUMP MEANS FOR DISTRIBUTING WASHING FLUID AGAINST ARTICLES TO BE CLEANED, MEANS FOR DRIVING SAID PUMP MEANS INCLUDING ELECTRIC MOTOR MEANS, CIRCUIT MEANS FOR SUPPLY POWER TO SAID ELECTRIC MOTOR MEANS TO DRIVE SAID PUMP MEANS DURING A CLEANING CYCLE OF OPERATION WHEREIN A FLUID IS DISCHARGED FROM SAID PUMP MEANS AGAINST ARTICLES TO BE CLEANED, SAID CIRCUIT MEANS INCLUDING MEANS FOR ESTABLISHING A FIRST SPEED OF OPERATION OF SAID MOTOR MEANS DURING SAID CLEANING CYCLE WHEREBY SAID PUMP MEANS DISCHARGES FIRST AMOUNT OF FLUID AGAINST THE ARTICLES TO BE CLEANED, AND ARTICLE PROGRAMMER MEANS FOR CONDITIONING SAID CIRCUIT MEANS TO VARY THE POWER SUPPLY TO SAID MOTOR MEANS WITHIN PREDETERMINED LIMITS WHEREBY SAID PUMP MEANS IS ADAPTED TO PRODUCE A RANGE OF FLUID DISTRIBUTION LEVELS DURING SAID CLEANING CYCLE, SAID PROGRAMMER MEANS INCLUDING PRE-SETTABLE MEANS FOR SELECTING A FLUID DISTRIBUTION LEVEL FROM SAID PUMP MEANS CORRESPONDING TO ONE OF A NUMBER OF TYPES OF ARTICLES TO BE CLEANED, SAID SELECTED FLUID DISTRIBUTION LEVEL DISCHARGED FROM SAID PUMP MEANS DURING SAID CLEANING CYCLE PRODUCING AN OPTIMUM CLEANING OF PARTICULAR TYPES OF ARTICLES BEING CLEANED DURING SAID CYCLE.
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) | 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 |