Patent US3318528A successfully refreshed from Google Patents.
US3318528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fountain
Assignee: Individual
•
Filing: 1965-02-01
•
Granted: 1967-05-09
•
Expires: 1985-02-01
Abstract
No abstract record available.
Inventors
- 👤 Tudor D Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:17
CPC Classifications
B; B05; B05B; B05B17/00; B05B17/08; E; E04; E04H; E04H4/00; E04H4/12; E04H4/14; E04H4/16; E04H4/169
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN COMBINATION: A SWIMMING POOL; A RECIRCULATING FILTER SYSTEM FOR SAID POOL INCLUDING A WATER RETURN LINE THROUGH WHICH FILTERED WATER FROM SAID POOL IS RETURNED TO THE POOL, SAID RETURN LINE EXTENDING THROUGH THE SIDEWALL OF SAID POOL BELOW THE NORMAL WATER LEVEL IN SAID POOL AND HAVING AN OPEN END EXPOSED AT THE INNER SIDE OF SAID WALL BELOW SAID NORMAL WATER LEVEL THROUGH WHICH SAID FILTERED WATER NORMALLY DISCHARGES INTO SAID POOL; AND AN ORNAMENTAL FOUNTAIN INCLUDING A WATER CONDUIT, A FITTING ON ONE END OF SAID CONDUIT PRESS-FITTED IN SAID OPEN END OF SAID RETURN LINE, THE OPPOSITE END OF SAID CONDUIT BEING LOCATED ABOVE SAID NORMAL WATER LEVEL, AND A SPRAY HEAD ON SAID OPPOSITE END OF SAID CONDUIT.
Claim 2
Dependent Claim
124 words
IN COMBINATION: A SWIMMING POOL; A RECIRCULATING FILTER SYSTEM FOR SAID POOL INCLUDING A WATER RETURN LINE THROUGH WHICH FILTERED WATER FROM SAID POOL IS RETURNED TO THE POOL, SAID RETURN LINE EXTENDING THROUGH THE SIDEWALL OF SAID POOL BELOW THE NORMAL WATER LEVEL IN SAID POOL AND HAVING AN OPEN END EXPOSED AT THE INNER SIDE OF SAID WALL BELOW SAID NORMAL WATER LEVEL THROUGH WHICH SAID FILTERED WATER NORMALLY DISCHARGES INTO SAID POOL; AND AN ORNAMENTAL FOUNTAIN INCLUDING A WATER CONDUIT, A FITTING ON ONE END OF SAID CONDUIT PRESS-FITTED IN SAID OPEN END OF SAID RETURN LINE, THE OPPOSITE END OF SAID CONDUIT BEING LOCATED ABOVE SAID NORMAL WATER LEVEL, AND A SPRAY HEAD ON SAID OPPOSITE END OF SAID CONDUIT.
References Cited (Backward Citations)
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Cited
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US1798884A
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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) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |