Patent US2667452A successfully refreshed from Google Patents.
US2667452A
Expired / Lapsed
US
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Vibrating retort
Assignee: TECH IND SOC D
•
Filing: 1947-12-30
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Granted: 1954-01-26
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Expires: 1967-12-30
Abstract
No abstract record available.
Inventors
- 👤 Petit Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:09
CPC Classifications
C; C10; C10B; C10B7/00; C10B7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A FUEL DEVOLATILIZING APPARATUS COMPRISING AN ENCLOSED REFRACTORY CHAMBER; A FUEL INLET MEANS IN THE UPPER PORTION OF SAID CHAMBER; A FUEL OUTLET MEANS IN THE LOWER PORTION OF SAID CHAMBER; A FUEL CONVEYING AND DEVOLATILIZING CHUTE EXTENDING BETWEEN SAID INLET AND OUTLET MEANS AND SLOPING IN A DOWNWARD CIRCUITOUS PATH, RECEIVING FUEL AT ITS UPPER END FROM SAID INLET MEANS AND DISCHARGING FUEL AT ITS LOWER END INTO SAID OUTLET MEANS; A VIBRATOR OPERATIVELY CONNECTED TO SAID
Claim 2
Dependent Claim
78 words
A FUEL DEVOLATILIZING APPARATUS COMPRISING AN ENCLOSED REFRACTORY CHAMBER; A FUEL INLET MEANS IN THE UPPER PORTION OF SAID CHAMBER; A FUEL OUTLET MEANS IN THE LOWER PORTION OF SAID CHAMBER; A FUEL CONVEYING AND DEVOLATILIZING CHUTE EXTENDING BETWEEN SAID INLET AND OUTLET MEANS AND SLOPING IN A DOWNWARD CIRCUITOUS PATH, RECEIVING FUEL AT ITS UPPER END FROM SAID INLET MEANS AND DISCHARGING FUEL AT ITS LOWER END INTO SAID OUTLET MEANS; A VIBRATOR OPERATIVELY CONNECTED TO SAID
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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) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |