US3132064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the evaporation of liquids
Assignee: Individual
•
Filing: 1960-10-17
•
Granted: 1964-05-05
•
Expires: 1980-10-17
Abstract
No abstract record available.
Inventors
- 👤 Scheffers Johannes P Hendrikus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:07
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/06; B01D1/10; A; A23; A23C; A23C1/00; A23C1/12; A23L; A23L2/00; A23L2/02; A23L2/08; A23L2/10; B01D1/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A FALLING FILM EVAPORATOR FOR THE EVAPORATIN OF LIQUIDS COMPRISING A VERTICAL HOUSING HAVING AN EXPANSION CHAMBER AT ITS UPPER END, SAID EXPANSION CHAMBER HAVING AN INLET FOR THE LIQUID TO BE EVAPORATED, A PAIR OF HORIZONTAL UPPER AND LOWER TUBE SHEETS IN THE HOUSING, A PLURALITY OF OPEN ENDED VERTICAL TUBES ARRANGED BETWEEN THE TUBE SHEETS WITH THEIR ENDS SECURED THEREIN A SECOND SET OF VERTICAL TUBES HAVING OPERN ENDS, A THIRD HORIZONTAL TUBE SHEET CARRYING SAID SECOND SET OF TUBES AND ARRANGED BETWEEN THE ENDS OF SAID LAST MENTIONED TUBES, SAID TUBES OF THE SECOND SET HAVIN UPPER ENDS PARTLY EXTENDING INTO THE EXPANSION CHAMBER AND LOWER ENDS EXTENDING PARTLY DOWN INTO THE UPPER ENDS OF THE FIRST MENTIONED TUBES, SAID THIRD TUBE SHEET BEING ARRANGED IN SPACED RELATION ABOVE THE UPPER TUBE SHEET AND BEING PROVIDED WITH ORIFICES BETWEEN THE TUBES OF THE SECOND SET.
Claim 2
Dependent Claim
148 words
A FALLING FILM EVAPORATOR FOR THE EVAPORATIN OF LIQUIDS COMPRISING A VERTICAL HOUSING HAVING AN EXPANSION CHAMBER AT ITS UPPER END, SAID EXPANSION CHAMBER HAVING AN INLET FOR THE LIQUID TO BE EVAPORATED, A PAIR OF HORIZONTAL UPPER AND LOWER TUBE SHEETS IN THE HOUSING, A PLURALITY OF OPEN ENDED VERTICAL TUBES ARRANGED BETWEEN THE TUBE SHEETS WITH THEIR ENDS SECURED THEREIN A SECOND SET OF VERTICAL TUBES HAVING OPERN ENDS, A THIRD HORIZONTAL TUBE SHEET CARRYING SAID SECOND SET OF TUBES AND ARRANGED BETWEEN THE ENDS OF SAID LAST MENTIONED TUBES, SAID TUBES OF THE SECOND SET HAVIN UPPER ENDS PARTLY EXTENDING INTO THE EXPANSION CHAMBER AND LOWER ENDS EXTENDING PARTLY DOWN INTO THE UPPER ENDS OF THE FIRST MENTIONED TUBES, SAID THIRD TUBE SHEET BEING ARRANGED IN SPACED RELATION ABOVE THE UPPER TUBE SHEET AND BEING PROVIDED WITH ORIFICES BETWEEN THE TUBES OF THE SECOND SET.
References Cited (Backward Citations)
US491659A
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US1323013A
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US1013091A
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US1438502A
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US2494767A
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FR1162894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |