US3129145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means and method for mass and heat transfer
Assignee: Individual
•
Filing: 1962-10-18
•
Granted: 1964-04-14
•
Expires: 1982-10-18
Abstract
No abstract record available.
Inventors
- 👤 Gerald L Hassler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:53
CPC Classifications
F; F28; F28D; F28D21/00; F28D21/0015; B; B01; B01D; B01D3/00; B01D3/14; B01D3/26; B01D3/28; C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/08; F28F; F28F13/00; F28F13/003; F28D2021/0019; F28D2021/0061; F28D2021/0064; Y; Y02; Y02W; Y02W10/00; Y02W10/30; Y02W10/37; Y10; Y10S; Y10S159/00; Y10S159/27; Y10S203/00; Y10S203/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A DISTILATION STRUCTURE COMPRISING: (A) FIRST AND SECOND CLOSELY SPACED POROUS LAYERS, EACH HAVING INNER AND OUTER SURFACES, THE LAYERS BEING SEPARATED BY A GAP, WITH THE LAYERS INNER SURFACES BEING OPPOSED; (B) FIRST BARRIER MEANS ADJACENT THE OUTER SURFACE OF SAID FIRST POROUS LAYER, INCORPORATING MEANS TO CONDUCT FEED LIQUID INTO CONTACT WITH THE OUTER SURFACE OF SAID FIRST POROUS LAYER AT SPACED INTERVALS; SAID LIQUID PASSING THEREFROM THROUGH SAID FIRST POROUS LAYER TO THE INNER SURFACE THEREOF;
Claim 2
Dependent Claim
79 words
A DISTILATION STRUCTURE COMPRISING: (A) FIRST AND SECOND CLOSELY SPACED POROUS LAYERS, EACH HAVING INNER AND OUTER SURFACES, THE LAYERS BEING SEPARATED BY A GAP, WITH THE LAYERS INNER SURFACES BEING OPPOSED; (B) FIRST BARRIER MEANS ADJACENT THE OUTER SURFACE OF SAID FIRST POROUS LAYER, INCORPORATING MEANS TO CONDUCT FEED LIQUID INTO CONTACT WITH THE OUTER SURFACE OF SAID FIRST POROUS LAYER AT SPACED INTERVALS; SAID LIQUID PASSING THEREFROM THROUGH SAID FIRST POROUS LAYER TO THE INNER SURFACE THEREOF;
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |