US2602046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple thermocouple fractionating column
Assignee: WLADZIA G PODBIELNIAK
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Filing: 1945-06-08
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Granted: 1952-07-01
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Expires: 1965-06-08
Abstract
No abstract record available.
Inventors
- 👤 Walter J Podbielniak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:00
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/14; G01N25/145; Y; Y10; Y10S; Y10S203/00; Y10S203/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
IN APPARATUS FOR PRECISE FRACTIONATION, A FRACTIONATING COLUMN HAVING A REFLUX CONDENSING ZONE INCLUDING A VARYING MINIMUM TEMPERATURE POINT OF VAPOR CONDENSATION, AT LEAST THREE SPACED INDEPENDENT THERMOCOUPLES WITHIN SAID REFLUX CONDENSING ZONE IN THE REGION OF SAID MINIMUM TEMPERATURE POINT AND MEANS FOR SUCCESSIVELY AND CYCLICLY RECORDING THE TEMPERATURES INDICATED BY SAID THERMOCOUPLES TO THEREBY DETERMINE AND RECORD THE MINIMUM TEMPERATURE WITHIN SAID REFLUX CONDENSING ZONE.
Claim 2
Dependent Claim
67 words
IN APPARATUS FOR PRECISE FRACTIONATION, A FRACTIONATING COLUMN HAVING A REFLUX CONDENSING ZONE INCLUDING A VARYING MINIMUM TEMPERATURE POINT OF VAPOR CONDENSATION, AT LEAST THREE SPACED INDEPENDENT THERMOCOUPLES WITHIN SAID REFLUX CONDENSING ZONE IN THE REGION OF SAID MINIMUM TEMPERATURE POINT AND MEANS FOR SUCCESSIVELY AND CYCLICLY RECORDING THE TEMPERATURES INDICATED BY SAID THERMOCOUPLES TO THEREBY DETERMINE AND RECORD THE MINIMUM TEMPERATURE WITHIN SAID REFLUX CONDENSING ZONE.
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) | 1955-07-01 | 1955-12-31 | 1956-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-01 | 1959-12-31 | 1960-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-01 | 1963-12-31 | 1964-07-01 | $7700.00 | Window Closed / Lapsed |