Patent US3101871A successfully refreshed from Google Patents.
US3101871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metering dispenser for automatic washers
Assignee: Procter and Gamble Co
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Filing: 1960-09-29
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Granted: 1963-08-27
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Expires: 1980-09-29
Abstract
No abstract record available.
Inventors
- 👤 Malcolm B Lucas
- 👤 Thomas G Dewees
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:04
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/02; D06F39/026
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
145 words
A DETERGENT DISPENSER FOR AN AUTOMATIC CLOTHES WASHING MACHINE COMPRISING A STORAGE HOPPER HAVING AN ORIFICE IN ITS LOWER PORTION, A VALVE GUIDE SPACED FROM AND EXTENDING UPWARDLY FROM SAID ORIFICE, SAID VALVE GUIDE BEING RIGIDLY MOUNTED WITHIN SAID STORAGE HOPPER, A PLUG-TYPE METERING VALVE MOUNTED FOR VERTICAL MOVEMENT WITHIN SAID VALVE GUIDE AND NORMALLY CLOSING SAID ORIFICE, SAID VALVE BEING CAPABLE OF METERING A PREDETERMINED QUANTITY OF DETERGENT MATERIAL THROUGH SAID ORIFICE WHEN RAISED, A RESILIENT TUBE EXTENDING FROM SAID ORIFICE AND INTO SAID WASHING MACHINE, MEANS FOR NORMALLY CLAMPING SHUT SAID RESILIENT TUBE, MEANS FOR RAISING SAID VALVE IN ORDER TO METER A FIXED QUANTITY OF DETERGENT MATERIAL, MEANS THEREAFTER TO RELEASE THE CLAMPING FORCE ON SAID RESILIENT TUBE WHEREBY THE FIXED QUANTITY OF DETERGENT MATERIAL IS DISPENSED INTO SAID CLOTHES WASHING MACHINE AND SAID VALVE FALLS BY GRAVITY TO CLOSE SAID ORIFICE.
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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |