Swimming pool cover
Abstract
Abstract AN INFLATABLE SWIMMING POOL COVER INCLUDES AN AIR IMPERVIOUS FLEXIBLE SHEET WHICH CORRESPONDS IN SHAPE AND SIZE TO THE SWIMMING POOL SURFACE AND IS PROVIDED WITH AN AIR IMPERVIOUS ANNULAR FLAP SECURED TO THE PERIPHERAL EDGE PORTIONS THEREOF. THE FLAP IS ADAPTED TO EXTEND BELOW THE POOL SURFACE AND COOPERATES WITH THE SHEET TO ENTRAP AIR BETWEEN THE SHEET AND THE POOL SURFACE SO THAT THE SWIMMING POOL COVER IS SUPPORTED BY THE ENTRAPPED AIR. AN ANNULAR SKIRT IS SECURED TO THE PERIPHERAL PORTIONS OF THE SHEET AND EXTENDS OUTWARDLY THEREFROM FOR ATTACHMENT TO THE EXTERIOR PORTIONS OF THE SWIMMING POOL TO RETAIN THE INFLATABLE COVER IN COVERING RELATION WITH RESPECT TO THE SWIMMING POOL.
Inventors
- 👤 Arvel L Wall
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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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) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |