US3564791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swimming pool wall
Assignee: Individual
•
Filing: 1969-02-27
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Granted: 1971-02-23
•
Expires: 1989-02-27
Abstract
Abstract A SWIMMING POOL WALL IS FORMED OF UNIFORM SECTIONS OF MOLDED STRUCTURAL FOAM SECURED TOGETHER, AND THE SECTIONS INCLUDE: A FRONT FACING WALL, A BASE INTEGRAL WITH THE BOTTOM EDGE OF THE FACING WALL, END WALLS INTEGRAL WITH THE TOP EDGE OF THE FACING WALL, END WALLS INTEGRAL WITH THE FACING WALL, THE BASE, AND THE COPING WALL, THE END WALLS HAVING PROJECTIONS AND RECESSES FITTING TOGETHER FOR ALIGNMENT OF THE SECTIONS, AND A RIB INTEGRAL WITH THE BASE, THE COPING WALL, AND THE BACK OF THE FACING WALL. D R A W I N G
Inventors
- 👤 George F Arp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:31
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/0018; E04H4/0043; E02; E02D; E02D29/00; E02D29/02; E02D29/0258; E02D29/0266
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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |