US3376720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washing machine sterilization
Assignee: National Sanitizer Inc
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Filing: 1965-09-09
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Granted: 1968-04-09
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Expires: 1985-09-09
Abstract
No abstract record available.
Inventors
- 👤 Robert G Hartshorn
- 👤 Ford L Prescott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:03
CPC Classifications
D; D06; D06F; D06F34/00; D06F34/08; D06F2105/00; D06F2105/42; D06F2105/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
IN COMBINATION WITH A CLOTHES WASHING MACHINE HAVING AN AUTOMATIC WASH CYCLE AND A FINAL SPIN: MEANS ASSOCIATED WITH SAID MACHINE FOR GENERATING A SIGNAL AT THE COMPLETION OF THE WASH AND SPIN CYCLE; AND A WASHING MACHINE STERILIZING ARRANGEMENT ADAPTED TO INTRODUCE STERILIZING AGENT INTO THE INTERIOR OF SAID WASHING MACHINE BETWEEN A FINAL SPIN AND THE BEGINNING OF THE NEXT WASH CYCLE, SAID ARRANGEMENT INCLUDING A SOURCE OF STERILIZING AGENT, VALVE MEANS AND CONDUIT MEANS ASSOCIATED WITH SAID SOURCE FOR RETAINING THE STERILIZING AGENT AT SAID SOURCE WHEN SAID VALVE MEANS IS CLOSED AND FOR CONDUCTING A PORTION OF THE STERILIZING AGENT FROM SAID SOURCE AND INTRODUCING THE PORTION INTO THE INTERIOR OF SAID WASHING MACHINE WHEN SAID VALVE MEANS IS OPEN; ELECTRIC CIRCUIT MEANS FOR OPERATING VALVE MEANS, SAID CIRCUIT MEANS INCLUDING MEANS RESPONSIVE TO THE OCCURRENCE OF SAID WASHING MACHINE SIGNAL FOR ENERGIZING SAID CIRCUIT MEANS AND FURTHER INCLUDING TIMING MEANS FOR OPENING SAID VALVE MEANS FOR A PREDETERMINED LENGTH OF TIME AND THEN CLOSING SAID VALVE MEANS.
Claim 2
Dependent Claim
172 words
IN COMBINATION WITH A CLOTHES WASHING MACHINE HAVING AN AUTOMATIC WASH CYCLE AND A FINAL SPIN: MEANS ASSOCIATED WITH SAID MACHINE FOR GENERATING A SIGNAL AT THE COMPLETION OF THE WASH AND SPIN CYCLE; AND A WASHING MACHINE STERILIZING ARRANGEMENT ADAPTED TO INTRODUCE STERILIZING AGENT INTO THE INTERIOR OF SAID WASHING MACHINE BETWEEN A FINAL SPIN AND THE BEGINNING OF THE NEXT WASH CYCLE, SAID ARRANGEMENT INCLUDING A SOURCE OF STERILIZING AGENT, VALVE MEANS AND CONDUIT MEANS ASSOCIATED WITH SAID SOURCE FOR RETAINING THE STERILIZING AGENT AT SAID SOURCE WHEN SAID VALVE MEANS IS CLOSED AND FOR CONDUCTING A PORTION OF THE STERILIZING AGENT FROM SAID SOURCE AND INTRODUCING THE PORTION INTO THE INTERIOR OF SAID WASHING MACHINE WHEN SAID VALVE MEANS IS OPEN; ELECTRIC CIRCUIT MEANS FOR OPERATING VALVE MEANS, SAID CIRCUIT MEANS INCLUDING MEANS RESPONSIVE TO THE OCCURRENCE OF SAID WASHING MACHINE SIGNAL FOR ENERGIZING SAID CIRCUIT MEANS AND FURTHER INCLUDING TIMING MEANS FOR OPENING SAID VALVE MEANS FOR A PREDETERMINED LENGTH OF TIME AND THEN CLOSING SAID VALVE MEANS.
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) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |