Patent US3444197A successfully refreshed from Google Patents.
Patent US3245420A successfully refreshed from Google Patents.
US3245420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning apparatus for liquid containers
Assignee: Individual
•
Filing: 1964-09-09
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Granted: 1966-04-12
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Expires: 1984-09-09
Abstract
No abstract record available.
Inventors
- 👤 Cherney Alexander John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:40
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/14; E04H4/16; E04H4/1618; E04H4/1636; E04H4/1645
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AN APPARATUS FOR CLEANING LIQUID CONTAINERS SUCH AS SWIMMING BATHS AND WATER STORAGE TANKS COMPRISING A SEDIMENT COLLECTOR INCLUDING OPENINGS FOR OUTFLOW THEREFROM OF LIQUID TO DISTURB SEDIMENT AND OTHER OPENINGS FOR INFLOW THEREINTO OF LIQUID CONTAINING SEDIMENT, FLEXIBLE HOSE MEANS HAVING LIQUID INFLOW AND LIQUID OUTFLOW PASSAGES CONNECTED RESPECTIVELY TO THE OUTFLOW AND INFLOW OPENINGS OF THE COLLECTOR, A SIPHON COMMUNICATING WITH THE CONTAINER TO RECEIVE LIQUID FROM SAID CONTAINER TO OPERATE THE SIPHON, SAID SIPHON HAVING A SUCTION INLET COMMUNICATING WITH THE OUTFLOW PASSAGE OF THE HOSE MEANS, AND MEANS FOR CONNECTING OF A PRESSURE LIQUID SUPPLY TO THE INFLOW PASSAGE OF THE HOSE MEANS.
Claim 2
Independent Claim
107 words
AN APPARATUS FOR CLEANING LIQUID CONTAINERS SUCH AS SWIMMING BATHS AND WATER STORAGE TANKS COMPRISING A SEDIMENT COLLECTOR INCLUDING OPENINGS FOR OUTFLOW THEREFROM OF LIQUID TO DISTURB SEDIMENT AND OTHER OPENINGS FOR INFLOW THEREINTO OF LIQUID CONTAINING SEDIMENT, FLEXIBLE HOSE MEANS HAVING LIQUID INFLOW AND LIQUID OUTFLOW PASSAGES CONNECTED RESPECTIVELY TO THE OUTFLOW AND INFLOW OPENINGS OF THE COLLECTOR, A SIPHON COMMUNICATING WITH THE CONTAINER TO RECEIVE LIQUID FROM SAID CONTAINER TO OPERATE THE SIPHON, SAID SIPHON HAVING A SUCTION INLET COMMUNICATING WITH THE OUTFLOW PASSAGE OF THE HOSE MEANS, AND MEANS FOR CONNECTING OF A PRESSURE LIQUID SUPPLY TO THE INFLOW PASSAGE OF THE HOSE 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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |