US2845336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Static hydrolyser
Assignee: Individual
•
Filing: 1956-03-20
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Granted: 1958-07-29
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Expires: 1976-03-20
Abstract
No abstract record available.
Inventors
- 👤 Guyonnaud Joel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:54
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/40; C07D307/46; C07D307/48; C07D307/50; B; B01; B01J; B01J19/00; B01J19/24; B01J19/2405; B01J3/00; B01J3/04; B01J2219/00; B01J2219/00049; B01J2219/00162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
208 words
A STATIC HYDROLYSER, PARTICULARLY FOR USE IN THE PRODUCTION OF FURFURAL, COMPRISING A TANK INCLUDING AN UPPER VERTICALLY DISPOSED CYLINDRICAL PORTION OPEN AT ITS LOWER END TO A LOWER INVERTED CONICAL PORTION, SAID TANK HAVING MATERIAL CHARGING AND STEAM DISCHARGE OPENINGS IN THE UPPER PART OF ITS CYLINDRICAL PORTION, AND A DISCHARGE OPENING AT THE LOWER END OF THE CONICAL PORTION, AN ANNULAR STEAM PIPE MOUNTED WITHIN THE TANK ADJACENT ITS INSIDE WALL APPROXIMATELY AT THE JUNCTION BETWEEN THE LOWER END OF THE CYLINDRICAL PORTION AND THE UPPER END OF THE INVERTED CONICAL PORTION, SAID STEAM PIPE HAVING A FIRST SERIES OF SPACED STEAM OUTLET HOLES POSITIONED IN ITS UPPER PART TO DIRECT JETS OF STEAM UPWARDLY PARALLEL TO AND ALONG THE INSIDE WALL OF THE CYLINDRICAL PORTION OF THE TANK FOR DISLODGING MATERIAL ADHERENT TO SAID WALL, AND A SECOND SERIES OF SPACED STEAM OUTLET HOLES AT ITS INNER FACE POSITIONED TO DIRECT JETS OF STEAM RADIALLY INWARDLY TO MOVE DISLODGED MATERIAL INWARDLY AND TEND TO KEEP SUCH MATERIAL CENTRALLY IN THE TANK, AND A PLURALITY OF OTHER STEAM PIPES CONNECTED AT INTERVALS ALONG AND DEPENDING FROM THE ANNULAR STEAM PIPE AND LYING BELOW SAID ANNULAR PIPE ALONG THE INTERNAL WALL OF THE CONICAL PORTION, SAID OTHER
Claim 2
Dependent Claim
208 words
A STATIC HYDROLYSER, PARTICULARLY FOR USE IN THE PRODUCTION OF FURFURAL, COMPRISING A TANK INCLUDING AN UPPER VERTICALLY DISPOSED CYLINDRICAL PORTION OPEN AT ITS LOWER END TO A LOWER INVERTED CONICAL PORTION, SAID TANK HAVING MATERIAL CHARGING AND STEAM DISCHARGE OPENINGS IN THE UPPER PART OF ITS CYLINDRICAL PORTION, AND A DISCHARGE OPENING AT THE LOWER END OF THE CONICAL PORTION, AN ANNULAR STEAM PIPE MOUNTED WITHIN THE TANK ADJACENT ITS INSIDE WALL APPROXIMATELY AT THE JUNCTION BETWEEN THE LOWER END OF THE CYLINDRICAL PORTION AND THE UPPER END OF THE INVERTED CONICAL PORTION, SAID STEAM PIPE HAVING A FIRST SERIES OF SPACED STEAM OUTLET HOLES POSITIONED IN ITS UPPER PART TO DIRECT JETS OF STEAM UPWARDLY PARALLEL TO AND ALONG THE INSIDE WALL OF THE CYLINDRICAL PORTION OF THE TANK FOR DISLODGING MATERIAL ADHERENT TO SAID WALL, AND A SECOND SERIES OF SPACED STEAM OUTLET HOLES AT ITS INNER FACE POSITIONED TO DIRECT JETS OF STEAM RADIALLY INWARDLY TO MOVE DISLODGED MATERIAL INWARDLY AND TEND TO KEEP SUCH MATERIAL CENTRALLY IN THE TANK, AND A PLURALITY OF OTHER STEAM PIPES CONNECTED AT INTERVALS ALONG AND DEPENDING FROM THE ANNULAR STEAM PIPE AND LYING BELOW SAID ANNULAR PIPE ALONG THE INTERNAL WALL OF THE CONICAL PORTION, SAID OTHER
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) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |