Patent US3197271A successfully refreshed from Google Patents.
US3197271A
Expired / Lapsed
US
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Method of washing and bleaching fabrics
Assignee: Maytag Corp
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Filing: 1962-01-22
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Granted: 1965-07-27
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Expires: 1982-01-22
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Smith
- 👤 Gordon J Davis
- 👤 William J Mcnally
- 👤 John R Cochran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:08
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/02; D06F39/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A METHOD OF INTRODUCTION OF A BLEACH SOLUTION TO THE CLOTHES RECEPTACLE OF A WASHING MACHINE OPERABLE THROUGH A WASHING OPERATION COMPRISING, FILLING SAID RECEPTACLE WITH A WASHING FULID CONTAINING A DETERGENTFLUORESCENT DYE COMPOSITION, INITIATING SAID WASHING OPERATION BY AGITATION OF SAID WASHING FULID, INTRODUCING SAID WASHING FLUID FROM SAID RECEPTACLE TO A RESERVOIR CONTAINING A BLEACH SOLUTION, AND GRADUALLY ADMIXING SAID BLEACH SOLUTION DILUTED WITH SAID WASHING FLUID INTO SAID RECEPTACLE AFTER INITIATION OF THE AGITATION OF THE WASHING FLUID.
Claim 2
Independent Claim
81 words
A METHOD OF INTRODUCTION OF A BLEACH SOLUTION TO THE CLOTHES RECEPTACLE OF A WASHING MACHINE OPERABLE THROUGH A WASHING OPERATION COMPRISING, FILLING SAID RECEPTACLE WITH A WASHING FULID CONTAINING A DETERGENTFLUORESCENT DYE COMPOSITION, INITIATING SAID WASHING OPERATION BY AGITATION OF SAID WASHING FULID, INTRODUCING SAID WASHING FLUID FROM SAID RECEPTACLE TO A RESERVOIR CONTAINING A BLEACH SOLUTION, AND GRADUALLY ADMIXING SAID BLEACH SOLUTION DILUTED WITH SAID WASHING FLUID INTO SAID RECEPTACLE AFTER INITIATION OF THE AGITATION OF THE WASHING FLUID.
References Cited (Backward Citations)
US2899814A
Cited
US2523801A
Cited
US2712748A
Cited
US2953006A
Cited
US2988908A
Cited
US2990707A
Cited
US2993357A
Cited
US2979936A
Cited
US3022656A
Cited
US3068679A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |