US3566863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-pressurized washing device
Assignee: ROBERT ECKELS FAMILY TRUST
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Filing: 1969-05-01
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Granted: 1971-03-02
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Expires: 1989-05-01
Abstract
Abstract An aqueous solution cleaning or washing device, using effervescent salts to generate delivery gas pressure, includes a conical chamber having its side subtending an angle of 30 to 75* exposing minimum liquid surface area at maximum fill to maximum area at minimum fill to contained gas under pressure, provides an essentially uniform delivery pressure throughout the discharge of solution from the unit. The device issues a pulsing jet of solution providing a cleaning unit for use on teeth and gums, for medicinal irrigation, a medicinal douch, etc.
Inventors
- 👤 Richard D Law
- 👤 Robert E Eckels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:29
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/02
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
17 words
A gas-pressurized liquid washing device according to claim 1 wherein said side subtends an angle of 50*.
Claim 2
Dependent Claim
30 words
A gas-pressurized liquid washing device according to claim 1 wherein said means for opening and closing said tube is a member for pinching said tube shut and releasing the same.
Claim 3
Dependent Claim
34 words
A gas-pressurized liquid washing device according to claim 1 wherein said means for opening and closing said tube is a valve mounted on said apex and said flexible tube is attached to said valve.
Claim 4
Dependent Claim
46 words
A gas-pressurized liquid washing device according to claim 1 wherein said means connecting said container interior with said flexible tube is a length of tubing extending through wall of said container at said apex and extending internally to a position adjacent the base of said container.
Claim 5
Dependent Claim
28 words
A gas-pressurized liquid washing device according to claim 1 wherein said recess is arranged to hold an effervescent tablet therein during insertion of the closure into said opening.
Claim 6
Dependent Claim
46 words
A gas-pressurized liquid washing device according to claim 1 wherein said supporting base member closes a right base of said conical container and is recessed toward said container providing a relatively large supporting surface for said container, with said closure being recessed below said supporting surface.
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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |