US2500194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flash distillation of turpentine
Assignee: United States Department of Agriculture
•
Filing: 1946-06-25
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Granted: 1950-03-14
•
Expires: 1966-06-25
Abstract
No abstract record available.
Inventors
- 👤 Nealy C Mcconnell
- 👤 Lawrence W Mims
- 👤 Harry P Poole
- 👤 Hubert R Lanier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:02
CPC Classifications
C; C09; C09F; C09F3/00; Y; Y10; Y10S; Y10S159/00; Y10S159/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A FLASH DISTILLATION APPARATUS FOR SEPARATING TURPENTINE AND DRY ROSIN FROM OLEORESIN, COMPRISING AN UPPER FLASH CHAMBER AND AN ELONGATED LOWER STRIPPING TOWER, A SPRAY NOZZLE IN THE FLASH CHAMBER, A TURPENTINE VAPOR OUTLET IN THE UPPER PART OF THE FLASH CHAMBER, AN OUTLET FOR ROSIN IN THE LOWER PART OF THE STRIPPING TOWER, THE FLASH CHAMBER HAVING A LOWER OUTLET SUPERPOSED OVER AN UPPER INLET OF THE STRIPPING TOWER, A HEATING JACKET ABUT THE STRIPPING TOWER EXTENDING DOWNWARDLY TO THE LOWER END OF THE STRIPPING TOWER, TWO OR MORE LONGITUDINALLY SPACED PERFORATED
Claim 2
Dependent Claim
93 words
A FLASH DISTILLATION APPARATUS FOR SEPARATING TURPENTINE AND DRY ROSIN FROM OLEORESIN, COMPRISING AN UPPER FLASH CHAMBER AND AN ELONGATED LOWER STRIPPING TOWER, A SPRAY NOZZLE IN THE FLASH CHAMBER, A TURPENTINE VAPOR OUTLET IN THE UPPER PART OF THE FLASH CHAMBER, AN OUTLET FOR ROSIN IN THE LOWER PART OF THE STRIPPING TOWER, THE FLASH CHAMBER HAVING A LOWER OUTLET SUPERPOSED OVER AN UPPER INLET OF THE STRIPPING TOWER, A HEATING JACKET ABUT THE STRIPPING TOWER EXTENDING DOWNWARDLY TO THE LOWER END OF THE STRIPPING TOWER, TWO OR MORE LONGITUDINALLY SPACED PERFORATED
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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) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |