US2747552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of generating vapour from waste sulfite liquor or dregs
Assignee: Individual
•
Filing: 1952-04-05
•
Granted: 1956-05-29
•
Expires: 1972-04-05
Abstract
No abstract record available.
Inventors
- 👤 Kyrklund Gunnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:41
CPC Classifications
D; D21; D21C; D21C11/00; D21C11/12; Y; Y10; Y10S; Y10S159/00; Y10S159/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
THE METHOD OF GENERATING VAPOUR FROM WASTE SULFITE LIQUOR AND DREGS, WHICH COMPRISES, INTRODUCING A QUANTITY OF SAID LIQUOR INTO AN EVAPORATING CHAMBER, HEATING SAID WASTE LIQUOR TO DRIVE OFF VAPOUR THEREFROM AND TO LEAVE COMBUSTIBLE LIQUID REMAINING, DRAWING OFF SAID COMBUSTIBLE LIQUID FROM SAID EVAPORATION CHAMBER, BURNING SAID COMBUSTIBLE LIQUID IN A COMBUSTION CHAMBER, DRAWING OFF THE VAPOUR GENERATED IN SAID EVAPORATION CHAMBER AND SUPERHEATING SAID VAPOUR BY PASSING THE VAPOUR THROUGH SAID COMBUSTION CHAMBER, INTRODUCING ADDITIONAL WASTE
Claim 2
Independent Claim
79 words
THE METHOD OF GENERATING VAPOUR FROM WASTE SULFITE LIQUOR AND DREGS, WHICH COMPRISES, INTRODUCING A QUANTITY OF SAID LIQUOR INTO AN EVAPORATING CHAMBER, HEATING SAID WASTE LIQUOR TO DRIVE OFF VAPOUR THEREFROM AND TO LEAVE COMBUSTIBLE LIQUID REMAINING, DRAWING OFF SAID COMBUSTIBLE LIQUID FROM SAID EVAPORATION CHAMBER, BURNING SAID COMBUSTIBLE LIQUID IN A COMBUSTION CHAMBER, DRAWING OFF THE VAPOUR GENERATED IN SAID EVAPORATION CHAMBER AND SUPERHEATING SAID VAPOUR BY PASSING THE VAPOUR THROUGH SAID COMBUSTION CHAMBER, INTRODUCING ADDITIONAL WASTE
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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) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |