USRE27938E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oscillator and shower head for use therewith
Assignee: —
•
Filing: 1972-06-30
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Granted: 1974-03-12
•
Expires: 1992-06-30
Abstract
Abstract A GAS-LIQUID FLUIDIC OSCILLATOR IS PROVIDED EMPLOYING LIQUID AS THE OPERATING FLUID AND GAS AS THE CONTROL FLUID, A PAIR OF FEEDBACK CHANNELS, TO OPPOSED CENTRAL PASSAGES ARE PROVIDED, THE LIQUID STREAM SEALING ONE FEEDBACK CHANNEL WHILE GAS ADMITTED TO THE OTHER FEEDBACK CHANNELL(S) PRODUCES STREAM SWICHING. A SHOWER HEAD IS ALSO PROVIDED WHCIH MAY OPERATE CONVENTIONALLY AS A SPRAY SOURCE OR BY ROTATION OF A LEVER OR A RING ON THE SHOWER HEAD OR OTHER SUITABLE MEANS MAY BE CONVERTED TO A SOURCE OF FLUID PULSES GENERATED BY THE OSCILLATOR LOCATED IN THE HEAD TO PROVIDE A FLUDIC MASSAGING DEVICE.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:34
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/22; B; B05; B05B; B05B1/00; B05B1/02; B05B1/08; B05B1/14; B05B1/16; B05B1/1609; B05B1/1627; B05B1/1636; B05B1/1645; B05B1/1663
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-11 | 1977-09-10 | 1978-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-11 | 1981-09-10 | 1982-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-11 | 1985-09-10 | 1986-03-12 | $7700.00 | Window Closed / Lapsed |