Patent US3075540A successfully refreshed from Google Patents.
US3075540A
Expired / Lapsed
US
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Foam dispensing attachment for scrubbing machines
Assignee: Individual
•
Filing: 1961-05-22
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Granted: 1963-01-29
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Expires: 1981-05-22
Abstract
No abstract record available.
Inventors
- 👤 Richard G Mckeegan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:39
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/408; A47L11/4083; A47L11/32; A47L11/325; A47L11/4013; A47L11/4016; A47L11/4022; Y; Y10; Y10T; Y10T137/00; Y10T137/5762
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
FOAM SUPPLYING MECHANISM FOR USE WITH A RUG CLEANING MACHING FOR SUPPLYING FOAM OF THE PROPER DEGREE OF WETNESS THERETO COMPRISING: A FOAM GENERATOR; A LIQUID SEPARATOR CHAMBER SO DISPOSED AND ARRANGED AS TO RECEIVE FOAM FROM THE GENERATOR, SAID LIQUID SEPARATOR CHAMBER HAVING A LOWER REGION IN WHICH EXCESS LIQUID GATHERS WHICH MAY HAVE BEEN ENTRAINED IN THE FOAM GENERATED BY THE FOAM GENERATOR, AND AN OPENING ABOVE SAID LOWER REGION, SAID OPENING ADAPTED TO DISCHARGE FOAM TO THE MACHINE FOR USE IN CLEANING OPERATIONS; A BASIN; A TRAP INTERCONNECTING SAID LOWER REGION TO THE BASIN; AND MEANS FOR PERMITTING OBSERVATION OF THE RATE OF FLOW OF LIQUID TO THE BASIN, WHEREBY THE PRESENCE OF EXCESSIVE LIQUID IN THE FOAM IS DETECTABLE BY A SAID OBSERVATION, AND WHEREBY FOAM WITHOUT EXCESSIVE LIQUID FLOWS THROUGH THE OPENING.
Claim 2
Dependent Claim
137 words
FOAM SUPPLYING MECHANISM FOR USE WITH A RUG CLEANING MACHING FOR SUPPLYING FOAM OF THE PROPER DEGREE OF WETNESS THERETO COMPRISING: A FOAM GENERATOR; A LIQUID SEPARATOR CHAMBER SO DISPOSED AND ARRANGED AS TO RECEIVE FOAM FROM THE GENERATOR, SAID LIQUID SEPARATOR CHAMBER HAVING A LOWER REGION IN WHICH EXCESS LIQUID GATHERS WHICH MAY HAVE BEEN ENTRAINED IN THE FOAM GENERATED BY THE FOAM GENERATOR, AND AN OPENING ABOVE SAID LOWER REGION, SAID OPENING ADAPTED TO DISCHARGE FOAM TO THE MACHINE FOR USE IN CLEANING OPERATIONS; A BASIN; A TRAP INTERCONNECTING SAID LOWER REGION TO THE BASIN; AND MEANS FOR PERMITTING OBSERVATION OF THE RATE OF FLOW OF LIQUID TO THE BASIN, WHEREBY THE PRESENCE OF EXCESSIVE LIQUID IN THE FOAM IS DETECTABLE BY A SAID OBSERVATION, AND WHEREBY FOAM WITHOUT EXCESSIVE LIQUID FLOWS THROUGH THE OPENING.
References Cited (Backward Citations)
US2334914A
Cited
US2960710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |