Patent CH161459A successfully refreshed from Google Patents.
US3107216A
Expired / Lapsed
US
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Re-circulating toilet sump foaming compositions and method for producing the foam under toilet operation conditions
Assignee: Lockheed Martin Corp
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Filing: 1961-01-25
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Granted: 1963-10-15
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Expires: 1981-01-25
Abstract
No abstract record available.
Inventors
- 👤 William F Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:19
CPC Classifications
E; E03; E03D; E03D5/00; E03D5/016; Y; Y10; Y10S; Y10S4/00; Y10S4/09; Y10S4/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
THE METHOD OF PRODUCING A NON-OBJECTIONABLE APPEARING LIQUID FOAM IN A RECIRCULATING TOILET HAVING A SUMP AND A PUMP WHICH COMPRISES THE STEP OF PLACING, A RECIRCULATING AQUEOUS TOILET SUMP COMPOSITION INCLUDING A WATER FOAMING AGENT IN THE TOILET SUMP IN A QUANTITY SUFFICIENT TO CAUSE FOAMING OF THE SUMP LIQUID UPON PUMPING THE LIQUID AND RELEASING SAME TO THE ATMOSPHERE, PUMPING THE LIQUID FROM SAID SUMP THROUGH SAID PUMP THEREBY PRESSURIZING THE LIQUID, SUDDENLY RELEASING THE PRESSURE ON SAID LIQUID BY PASSING IT INTO AN ATMOSPHERICALLY OPEN SYSTEM, THEREBY RELEASING THE DISSOLVED GAS IN SAID SOLUTION TO FORM FOAM, FLUSHING SAID FOAMED LIQUID AROUND THE TOILET BOWL TO CLEAN SAID BOWL AND RETURNING THE FLUSHING FLUID INTO THE SUMP FOR RECIRCULATION.
Claim 2
Independent Claim
122 words
THE METHOD OF PRODUCING A NON-OBJECTIONABLE APPEARING LIQUID FOAM IN A RECIRCULATING TOILET HAVING A SUMP AND A PUMP WHICH COMPRISES THE STEP OF PLACING, A RECIRCULATING AQUEOUS TOILET SUMP COMPOSITION INCLUDING A WATER FOAMING AGENT IN THE TOILET SUMP IN A QUANTITY SUFFICIENT TO CAUSE FOAMING OF THE SUMP LIQUID UPON PUMPING THE LIQUID AND RELEASING SAME TO THE ATMOSPHERE, PUMPING THE LIQUID FROM SAID SUMP THROUGH SAID PUMP THEREBY PRESSURIZING THE LIQUID, SUDDENLY RELEASING THE PRESSURE ON SAID LIQUID BY PASSING IT INTO AN ATMOSPHERICALLY OPEN SYSTEM, THEREBY RELEASING THE DISSOLVED GAS IN SAID SOLUTION TO FORM FOAM, FLUSHING SAID FOAMED LIQUID AROUND THE TOILET BOWL TO CLEAN SAID BOWL AND RETURNING THE FLUSHING FLUID INTO THE SUMP FOR RECIRCULATION.
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) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |