Patent US3872268A successfully refreshed from Google Patents.
US3585656A
Expired / Lapsed
US
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Swimming pool coping construction
Assignee: Individual
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Filing: 1969-03-27
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Granted: 1971-06-22
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Expires: 1989-03-27
Abstract
Abstract THIS INVENTION RELATES TO A SWIMMING POOL INCLUDING A WATER RETAINING INNER WALL, AN OUTER WALL SPACED OUTWARDLY FROM THE INNER WALL AND COMBINING WITH THE LATTER TO DEFINE A TRENCH, AND A COPING IN BRIDGING RELATION WITH THE TRENCH, THE COPING HAVING THROUGH OVERFLOW OPENINGS FOR PASSING OVERFLOW WATER THROUGH THE COPING TO THE TRENCH AND SAID COPING COMPRISING COPING SECTIONS OF INTEGRAL CONSTRUCTION WHICH EXTEND BETWEEN THE INNER AND OUTER WALLS.
Inventors
- 👤 Milton Costello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:27
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/12; E04H4/1209; E04H4/1218; E04H4/1227; E04H4/14; E04H4/141
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) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |