Patent US1834516A successfully refreshed from Google Patents.
Patent US3192133A successfully refreshed from Google Patents.
US3192133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices for solar distillation
Assignee: Individual
•
Filing: 1958-08-27
•
Granted: 1965-06-29
•
Expires: 1978-08-27
Abstract
No abstract record available.
Inventors
- 👤 Oswald T Adamec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:34
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/14; Y; Y02; Y02A; Y02A20/00; Y02A20/20; Y02A20/208; Y02A20/212; Y10; Y10S; Y10S203/00; Y10S203/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A STRUCTURAL SLAB FOR TRANSMITTING SOLAR ENERGY THERETHROUGH COMPRISING A CORED SLAB, A THIN LAYER OF ASPHALT WITH A HIGH MINERAL CONTENT TO INCREASE THE THERMAL CONDUCTIVITY OF SAID ASPHALT, SAID LAYER OF ASPHALT BEING SPREAD ON TOP OF SAID SLAB FOR ABSORBING SOLAR ENERGY AND TRANSMITTING HEAT TO SAID CORED SLAB, THE CORING OF SAID SLAB PROVIDING INTERCONNECTED SUBSTANTIALLY PARALLEL PASSAGES AND A PLURALITY OF RIB PORTIONS IN THE SLAB, THE PASSAGES BEING CONNECTED AT THEIR ENDS TO PROVIDE A CONTINUOUSLY DOWNWARDLY SLOPING SURFACE EXTENDING BACK AND FORTH THROUGH THE SLAB, AND THE SLAB HAVING AREAS OF REDUCED THICKNESS BETWEEN THE RIB PORTIONS, THE RIB PORTIONS BEING FORMED BELOW THE ASPHALT LAYER AND EXTENDING DOWNWARDLY FROM WALLS OF THE PASSAGES AND INTO THE PASSAGES.
Claim 2
Dependent Claim
125 words
A STRUCTURAL SLAB FOR TRANSMITTING SOLAR ENERGY THERETHROUGH COMPRISING A CORED SLAB, A THIN LAYER OF ASPHALT WITH A HIGH MINERAL CONTENT TO INCREASE THE THERMAL CONDUCTIVITY OF SAID ASPHALT, SAID LAYER OF ASPHALT BEING SPREAD ON TOP OF SAID SLAB FOR ABSORBING SOLAR ENERGY AND TRANSMITTING HEAT TO SAID CORED SLAB, THE CORING OF SAID SLAB PROVIDING INTERCONNECTED SUBSTANTIALLY PARALLEL PASSAGES AND A PLURALITY OF RIB PORTIONS IN THE SLAB, THE PASSAGES BEING CONNECTED AT THEIR ENDS TO PROVIDE A CONTINUOUSLY DOWNWARDLY SLOPING SURFACE EXTENDING BACK AND FORTH THROUGH THE SLAB, AND THE SLAB HAVING AREAS OF REDUCED THICKNESS BETWEEN THE RIB PORTIONS, THE RIB PORTIONS BEING FORMED BELOW THE ASPHALT LAYER AND EXTENDING DOWNWARDLY FROM WALLS OF THE PASSAGES AND INTO THE PASSAGES.
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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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |