US3342696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple rotary evaporator
Assignee: Individual
•
Filing: 1965-03-16
•
Granted: 1967-09-19
•
Expires: 1985-03-16
Abstract
No abstract record available.
Inventors
- 👤 Ian E Bush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:49
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/56; B01L3/569
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A MULTIPLE ROTARY EVAPORATOR STRUCTURE COMPRISING A RELATIVELY ELONGATED TUBULAR CONDENSING CHAMBER, A SERIES OF SLEEVES ARRANGED ALONG AN EXTERIOR SURFAE OF SAID CONDENSING CHAMBER, EACH SLEEVE BEING OPEN TO THE CHAMBER, MEANS FOR DETACHABLY AND OPERATIVELY SECURING A DISTILING FLASK WITH RESPECT TO EACH SLEEVE, MEANS FOR ROTATING SAID LAST-NAMED MEANS AND THEREBY SAID DISTILLING FLASKS, A SOURCE OF POWER, MEANS OPERATIVELY CONNECTING THE POWER SOURCE TO EACH ONE OF SAID FLASK-ATTACHING MEANS FOR ROTATING THE SAME IN UNISON, HEATING MEANS FOR EACH FLASK TO PROVIDE FOR EVAPORATION OF THECONTENTS AND TRANS-
Claim 2
Dependent Claim
93 words
A MULTIPLE ROTARY EVAPORATOR STRUCTURE COMPRISING A RELATIVELY ELONGATED TUBULAR CONDENSING CHAMBER, A SERIES OF SLEEVES ARRANGED ALONG AN EXTERIOR SURFAE OF SAID CONDENSING CHAMBER, EACH SLEEVE BEING OPEN TO THE CHAMBER, MEANS FOR DETACHABLY AND OPERATIVELY SECURING A DISTILING FLASK WITH RESPECT TO EACH SLEEVE, MEANS FOR ROTATING SAID LAST-NAMED MEANS AND THEREBY SAID DISTILLING FLASKS, A SOURCE OF POWER, MEANS OPERATIVELY CONNECTING THE POWER SOURCE TO EACH ONE OF SAID FLASK-ATTACHING MEANS FOR ROTATING THE SAME IN UNISON, HEATING MEANS FOR EACH FLASK TO PROVIDE FOR EVAPORATION OF THECONTENTS AND TRANS-
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |