US3020211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film-forming and wiping distillation process and apparatus for carrying out the same
Assignee: Individual
•
Filing: 1958-11-28
•
Granted: 1962-02-06
•
Expires: 1978-11-28
Abstract
No abstract record available.
Inventors
- 👤 Arthur F Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:10
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/10; B01D1/00; B01D1/22; B01D1/222; B01D1/223; B01D1/225
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A METHOD FOR THE FRACTIONAL DISTILLATION OF LIQUID COMPRISING APPLYING SAID LIQUID TO AT LEAST A PART OF AN INTERNAL SURFACE OF REVOLUTION HAVING AN UPRIGHT AXIS TO FLOW DOWNWARDLY THEREOVER IN A FILM UNDER THE INFLUENCE OF GRAVITY, HEATING THE LIQUID IN SAID FILM TO VAPORIZE AT LEAST A PART THEREOF, PARTIALLY CONDENSING THE VAPOR, RETURNING THE CONDENSATE TO SAID SURFACE FOR REHEATING THEREOF, CONTINUOUSLY POSITIVELY MECHANICALLY ENGAGING ON SAID SURFACE OF REVOLUTION AXIALLY-SPACED BEARING AREAS THAT HAVE SUBSTANTIAL AXIAL EXTENT AND THAT HAVE AN ANGULAR EXTENT THAT IS SUBSTANTIAL BUT THAT REPRESENTS BUT A FRACTION OF THE ANGULAR EXTENT OF SIAD SURFACE OF REVOLUTION, WITH THE SLOTTED FACES OF A COLUMN OF INDEPENDENTLY RADIALLYMOVABLE WIPING BLADES, ROTATING SAID COLUMN RELATIVE TO SAID SURFACE TO REMOVE THE FILM FROM SAID SURFACE AT THE LEADING EDGES OF SAID BLADES, CONTINUOUSLY COLLECTING THE
Claim 2
Independent Claim
142 words
A METHOD FOR THE FRACTIONAL DISTILLATION OF LIQUID COMPRISING APPLYING SAID LIQUID TO AT LEAST A PART OF AN INTERNAL SURFACE OF REVOLUTION HAVING AN UPRIGHT AXIS TO FLOW DOWNWARDLY THEREOVER IN A FILM UNDER THE INFLUENCE OF GRAVITY, HEATING THE LIQUID IN SAID FILM TO VAPORIZE AT LEAST A PART THEREOF, PARTIALLY CONDENSING THE VAPOR, RETURNING THE CONDENSATE TO SAID SURFACE FOR REHEATING THEREOF, CONTINUOUSLY POSITIVELY MECHANICALLY ENGAGING ON SAID SURFACE OF REVOLUTION AXIALLY-SPACED BEARING AREAS THAT HAVE SUBSTANTIAL AXIAL EXTENT AND THAT HAVE AN ANGULAR EXTENT THAT IS SUBSTANTIAL BUT THAT REPRESENTS BUT A FRACTION OF THE ANGULAR EXTENT OF SIAD SURFACE OF REVOLUTION, WITH THE SLOTTED FACES OF A COLUMN OF INDEPENDENTLY RADIALLYMOVABLE WIPING BLADES, ROTATING SAID COLUMN RELATIVE TO SAID SURFACE TO REMOVE THE FILM FROM SAID SURFACE AT THE LEADING EDGES OF SAID BLADES, CONTINUOUSLY COLLECTING THE
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |