US3247969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swimming pool
Assignee: TDY Industries LLC
•
Filing: 1961-08-28
•
Granted: 1966-04-26
•
Expires: 1981-08-28
Abstract
No abstract record available.
Inventors
- 👤 Avy L Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:25
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/14; E04H4/16; E04H4/169; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85954
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN A WATER CIRCULATING APPARATUS, A SWIMMING POOL; A CIRCULARTORY SYSTEM INCLUDING A WATER OUTLET LOCATED ABOVE THE POOL BOTTOM OF TAKING WATER FROM THE POOL AND A WATER INLET RETURNING WATER TO THE POOL; A FILTER IN SAID CIRCULATORY SYSTEM FOR REMOVING SUSPENDED MATERIAL FROM THE WATER PASSING THERETHROUGH; A PUMP FOR CIRCULATING POOL WATER THROUGH SAID FILTER FROM SAID OUTLET TO SAID INLET; MEANS CONNECTING SAID FILTER AND PUMP IN SERIES BETWEEN SAID WATER OUTLET AND INLET, SAID WATER INLET INCLUDING A ROTARY NOZZLE DISPOSED ADJACENT TO THE BOTTOM OF THE POOL AND POSITIONED TO DIRECT THE INCOMING WATER ACROSS AND IN SUBSTANTIAL CONTACT WITH THE BOTTOM SURFACE IN WASHING RELATION; AND MEANS FOR ROTATING SAID NOZZLE ABOUT AN AXIS SUBSTANTIALLY PERPENDICULAR TO THE BOTTOM SURFACE OF THE POOL.
Claim 2
Dependent Claim
131 words
IN A WATER CIRCULATING APPARATUS, A SWIMMING POOL; A CIRCULARTORY SYSTEM INCLUDING A WATER OUTLET LOCATED ABOVE THE POOL BOTTOM OF TAKING WATER FROM THE POOL AND A WATER INLET RETURNING WATER TO THE POOL; A FILTER IN SAID CIRCULATORY SYSTEM FOR REMOVING SUSPENDED MATERIAL FROM THE WATER PASSING THERETHROUGH; A PUMP FOR CIRCULATING POOL WATER THROUGH SAID FILTER FROM SAID OUTLET TO SAID INLET; MEANS CONNECTING SAID FILTER AND PUMP IN SERIES BETWEEN SAID WATER OUTLET AND INLET, SAID WATER INLET INCLUDING A ROTARY NOZZLE DISPOSED ADJACENT TO THE BOTTOM OF THE POOL AND POSITIONED TO DIRECT THE INCOMING WATER ACROSS AND IN SUBSTANTIAL CONTACT WITH THE BOTTOM SURFACE IN WASHING RELATION; AND MEANS FOR ROTATING SAID NOZZLE ABOUT AN AXIS SUBSTANTIALLY PERPENDICULAR TO THE BOTTOM SURFACE OF THE POOL.
References Cited (Backward Citations)
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US2596191A
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US2592904A
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US2990011A
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US3018491A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |