US2907641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simplified extractor apparatus
Assignee: Individual
•
Filing: 1955-04-07
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Granted: 1959-10-06
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Expires: 1975-04-07
Abstract
No abstract record available.
Inventors
- 👤 Nottebrock Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:11
CPC Classifications
B; B01; B01D; B01D11/00; B01D11/02; B01D11/0215; B01D11/0219; B01D11/0292; B01D11/0296
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
EXTRACTION APPARATUS HAVING SEPARABLE COMPONENT PARTS, ONE OF SAID COMPONENTS COMPRISING A CONTAINER FOR MATERIAL CONTAINING AN EXTRACTIVE, A TUBE WHICH EXTENDS UP INTO SAID CONTAINER AND IS JOPEN AT ITS LOWER END TO PERMIT LIQUID DISCHARGE THERETHROUGH, THE OTHER COMPONENT COMPRISING MEANS AT LEAST A PORTION OF WHICH IS TUBULAR AND PROVIDES A VAPOR PASSAGE WHEN INSERTED IN SAID FIRST TUBE, SAID MEANS HAVING A SECOND TUBULAR PORTION COAXIAL WITH SAID VAPOR-PASSAGE PORTION AND LOOSELY TELESCOPING OVER SAID FIRST TUBE, SAID VAPOR-PASSAGE AND SAID SECOND TUBULAR PORTIONS HAVING THERIR WALLS SEALED TOGETHER AT THEIR UPPER ENDS TO PROVIDE A CLOSED CONNECTION BETWEEN THE TWO LEGS OF SIPHON OF WHICH OINE LEG IS FORMED
Claim 2
Dependent Claim
114 words
EXTRACTION APPARATUS HAVING SEPARABLE COMPONENT PARTS, ONE OF SAID COMPONENTS COMPRISING A CONTAINER FOR MATERIAL CONTAINING AN EXTRACTIVE, A TUBE WHICH EXTENDS UP INTO SAID CONTAINER AND IS JOPEN AT ITS LOWER END TO PERMIT LIQUID DISCHARGE THERETHROUGH, THE OTHER COMPONENT COMPRISING MEANS AT LEAST A PORTION OF WHICH IS TUBULAR AND PROVIDES A VAPOR PASSAGE WHEN INSERTED IN SAID FIRST TUBE, SAID MEANS HAVING A SECOND TUBULAR PORTION COAXIAL WITH SAID VAPOR-PASSAGE PORTION AND LOOSELY TELESCOPING OVER SAID FIRST TUBE, SAID VAPOR-PASSAGE AND SAID SECOND TUBULAR PORTIONS HAVING THERIR WALLS SEALED TOGETHER AT THEIR UPPER ENDS TO PROVIDE A CLOSED CONNECTION BETWEEN THE TWO LEGS OF SIPHON OF WHICH OINE LEG IS FORMED
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) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |