US3182191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water purifying apparatus with an automatically actuated wiper for the ultra-violet source
Assignee: Puretest Water Purifier Co
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Filing: 1963-02-14
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Granted: 1965-05-04
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Expires: 1983-02-14
Abstract
No abstract record available.
Inventors
- 👤 Artie F Mcfarland
- 👤 Arthur E Mcfarland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:25
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/30; C02F1/32; C02F1/325; A; A23; A23B; A23B2/00; A23B2/50; A23B2/53; A61; A61L; A61L2/00; A61L2/02; A61L2/08; A61L2/10; C02F2201/00; C02F2201/32; C02F2201/322; C02F2201/3223; C02F2201/324
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN WATER PURIFICATION APPARATUS AN ELONGATED, TUBULAR ELECTRIC LAMP PROVIDING A SOURCE OF ULTRA-VIOLET ILLUMINATION, A PROTECTIVE CYLINDER FORMED OF A MATERIAL TRANSPARENT TO ULTRA-VIOLET LIGHT SURROUNDING SAID LAMP, AN OUTER CASING SURROUNDING SAID FORMING WITH SAID CYLINDER AN ANNULAR PASSAGEWAY THROUGH WHICH WATER MAY FLOW IN LIGHT RECEIVING RELATION TO SAID SOURCE, CASING HAVING AN INLET THROUGH WHICH WATER MAY FLOW INTO SAID PASSAGEWAY AND AN OUTLET SPACED LONGITUDINALLY FROM SAID INLET, WIPER MEANS MOVABLY DISPOSED IN THE PASSAGEWAY FOR MOVEMENT LONGITUDINALLY THEREIN IN SURROUNDING CONTACT WITH THE CYLINDER AND MEANS IN THE PASSAGEWAY POSITIONED FOR COACTION WITH SAID WIPER MEANS TO MOVE THE WIPER MEANS LONGITUDINALLY IN ONE DIRECTION IN RESPONSE TO AN INCREASE IN THE PRESSURE OF WATER IN SAID INLET AND IN THE OTHER DIRECTION IN RESPONSE TO A DECREASE IN SUCH PRESSURE.
Claim 2
Dependent Claim
137 words
IN WATER PURIFICATION APPARATUS AN ELONGATED, TUBULAR ELECTRIC LAMP PROVIDING A SOURCE OF ULTRA-VIOLET ILLUMINATION, A PROTECTIVE CYLINDER FORMED OF A MATERIAL TRANSPARENT TO ULTRA-VIOLET LIGHT SURROUNDING SAID LAMP, AN OUTER CASING SURROUNDING SAID FORMING WITH SAID CYLINDER AN ANNULAR PASSAGEWAY THROUGH WHICH WATER MAY FLOW IN LIGHT RECEIVING RELATION TO SAID SOURCE, CASING HAVING AN INLET THROUGH WHICH WATER MAY FLOW INTO SAID PASSAGEWAY AND AN OUTLET SPACED LONGITUDINALLY FROM SAID INLET, WIPER MEANS MOVABLY DISPOSED IN THE PASSAGEWAY FOR MOVEMENT LONGITUDINALLY THEREIN IN SURROUNDING CONTACT WITH THE CYLINDER AND MEANS IN THE PASSAGEWAY POSITIONED FOR COACTION WITH SAID WIPER MEANS TO MOVE THE WIPER MEANS LONGITUDINALLY IN ONE DIRECTION IN RESPONSE TO AN INCREASE IN THE PRESSURE OF WATER IN SAID INLET AND IN THE OTHER DIRECTION IN RESPONSE TO A DECREASE IN SUCH PRESSURE.
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) | 1968-05-03 | 1968-11-02 | 1969-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-03 | 1972-11-02 | 1973-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-03 | 1976-11-02 | 1977-05-04 | $7700.00 | Window Closed / Lapsed |