Patent US3271271A successfully refreshed from Google Patents.
US3271271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molecular still having stationary evaporator and condenser surfaces
Assignee: Vitamins Ltd
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Filing: 1962-05-08
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Granted: 1966-09-06
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Expires: 1982-05-08
Abstract
No abstract record available.
Inventors
- 👤 Watt Peter Ridgway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:32
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
MOLECULAR DISTILLATION APPARATUS COMPRISING A PLURALITY OF STATIONARY, HEATABLE, VERICALLY-SPACED, UPWARDLYFACING EVAPORATOR SURFACE, A STATIONARY, COOLABLE, DOWNWARDLY FACING CONDENSER SURFACE DISPOSED ABOVE EACH EVAPORATOR SURFACE, WIPING MEANS MOVABLE OVER EACH EVAPORATOR AND CONSENSER SURFACE AND ARRANGED TO DISPLACE A LIQUID FILM ON SUCH SURFACES TOWARDS THE OUTER PERIPHERY OF EACH SURFACE, MEANS FOR TRANSFERRING DISTILLATE FROM THE OUTER PERIPHERY OF EACH CONDENSER SURFACE TO THE NEXT HIGHER EVAPORATOR SURFACE, AND MEANS FOR TRANSFERRING RESIDUAL DISTILLAND FROM THE OUTER PERIPHERY OF EACH EVAPORATOR SURFACE TO THE NEXT LOWER EVAPORATOR SURFACE.
Claim 2
Dependent Claim
89 words
MOLECULAR DISTILLATION APPARATUS COMPRISING A PLURALITY OF STATIONARY, HEATABLE, VERICALLY-SPACED, UPWARDLYFACING EVAPORATOR SURFACE, A STATIONARY, COOLABLE, DOWNWARDLY FACING CONDENSER SURFACE DISPOSED ABOVE EACH EVAPORATOR SURFACE, WIPING MEANS MOVABLE OVER EACH EVAPORATOR AND CONSENSER SURFACE AND ARRANGED TO DISPLACE A LIQUID FILM ON SUCH SURFACES TOWARDS THE OUTER PERIPHERY OF EACH SURFACE, MEANS FOR TRANSFERRING DISTILLATE FROM THE OUTER PERIPHERY OF EACH CONDENSER SURFACE TO THE NEXT HIGHER EVAPORATOR SURFACE, AND MEANS FOR TRANSFERRING RESIDUAL DISTILLAND FROM THE OUTER PERIPHERY OF EACH EVAPORATOR SURFACE TO THE NEXT LOWER EVAPORATOR 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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |