Patent US3072920A successfully refreshed from Google Patents.
US3072920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swimming pool cover for collection or reflection of solar heat
Assignee: Individual
•
Filing: 1959-07-23
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Granted: 1963-01-15
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Expires: 1979-07-23
Abstract
No abstract record available.
Inventors
- 👤 John I Yellott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:24
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/06; E04H4/10; E04H4/103; F; F24; F24S; F24S10/00; F24S10/10; F24S10/17; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/44; Y10; Y10S; Y10S160/00; Y10S160/07; Y10S165/00; Y10S165/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A BUOYANT COVER FOR A SWIMMING POOL, COMPRISING A BASE SHEET HAVING ONE FACE COVERED WITH A MATERIAL CHARACTERIZED BY HIGH ABSORPTION OF SOLAR RADIATION, A SHEET OF TRANSPARENT MATERIAL OVER-LAYING THE ABSORPTIVE SURFACE, SAID SHEET BEING SECURED TO THE BASE AT SPACED INTERVALS AND DEFINING WITH SAID BASE A PLURALITY OF EXPANDED POCKETS, THE COVER BEING IN AN OPERATIVE FLOATING POSITION IN A SWIMMING POOL WITH THE POCKETED OVER-LAYER EXPOSED TO THE SUN, WHEREBY THE ABSORPTIVE SURFACE IS HEATED, AND THE HEAT TRAPPED IN THE POCKETS IS TRANSMITTED INTO THE WATER SURFACE.
Claim 2
Dependent Claim
93 words
A BUOYANT COVER FOR A SWIMMING POOL, COMPRISING A BASE SHEET HAVING ONE FACE COVERED WITH A MATERIAL CHARACTERIZED BY HIGH ABSORPTION OF SOLAR RADIATION, A SHEET OF TRANSPARENT MATERIAL OVER-LAYING THE ABSORPTIVE SURFACE, SAID SHEET BEING SECURED TO THE BASE AT SPACED INTERVALS AND DEFINING WITH SAID BASE A PLURALITY OF EXPANDED POCKETS, THE COVER BEING IN AN OPERATIVE FLOATING POSITION IN A SWIMMING POOL WITH THE POCKETED OVER-LAYER EXPOSED TO THE SUN, WHEREBY THE ABSORPTIVE SURFACE IS HEATED, AND THE HEAT TRAPPED IN THE POCKETS IS TRANSMITTED INTO THE WATER SURFACE.
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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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |