US2732009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thorlings
Assignee: —
•
Filing: —
•
Granted: 1956-01-24
•
Expires: 1973-01-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:39
CPC Classifications
C; C13; C13B; C13B25/00; C13B25/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
APPARATUS FOR BOILING SUGAR SULUTIONS COMPRISING A CONTINUOUSLY OPERABLE HEATER FOR A SUGAR SOLUTION TO BE THICKENED, A COIL FOR RECEIVING THE SUGAR SOLUTION AND BOILING IT, SAID COIL BEING DISPOSED IN SAID HEATER, A VESSEL FOR RECEIVING THE HEATED SUGAR SOLUTION AND FOR DISCHARGING IT THEREFROM, AN INTERMEDIATE CHAMBER DISPOSED BETWEEN SAID HEATER AND SAID VESSEL, SAID COIL HAVING A FREE END DISCHARGING INTO SAID INTERMEDIATE CHAMBER FOR SUPPLYING THE HEATED SUGAR SOLUTION THERETO, A BOTTOM OPENING IN SAID INTERMEDIATE CHAMBER FOR DISCHARGING THE HEATED SUGAR SOLUTION INTO SAID VESSEL, A VALVE FOR CONTROLLING SAID BOTTOM OPENING, A VACUUM PUMP IN COMMUNICATION WITH SAID VESSEL, A CONDUIT CONNECTING SAID INTERMEDIATE CHAMBER TO SAID VACUUM PUMP, THREE-WAY VALVE MEANS DISPOSED IN SAID CONDUIT FOR SELECTIVELY CONNECTING SAID INTERMEDIATE CHAMBER EITHER TO SAID VACUUM PUMP OR TO ATMOSPHERE, AND A THROTTLING DEVICE PROVIDED IN SAID CONDUIT BETWEEN SAID VALVE MEANS AND SAID VACUUM PUMP, WHEREBY THE PRESSURE IN SAID INTERMEDIATE CHAMBER MAY BE ADJUSTED TO ANY DESIRED VALUE BETWEEN THAT OF SAID VACUUM PUMP AND ATMOSPHERIC.
Claim 2
Dependent Claim
175 words
APPARATUS FOR BOILING SUGAR SULUTIONS COMPRISING A CONTINUOUSLY OPERABLE HEATER FOR A SUGAR SOLUTION TO BE THICKENED, A COIL FOR RECEIVING THE SUGAR SOLUTION AND BOILING IT, SAID COIL BEING DISPOSED IN SAID HEATER, A VESSEL FOR RECEIVING THE HEATED SUGAR SOLUTION AND FOR DISCHARGING IT THEREFROM, AN INTERMEDIATE CHAMBER DISPOSED BETWEEN SAID HEATER AND SAID VESSEL, SAID COIL HAVING A FREE END DISCHARGING INTO SAID INTERMEDIATE CHAMBER FOR SUPPLYING THE HEATED SUGAR SOLUTION THERETO, A BOTTOM OPENING IN SAID INTERMEDIATE CHAMBER FOR DISCHARGING THE HEATED SUGAR SOLUTION INTO SAID VESSEL, A VALVE FOR CONTROLLING SAID BOTTOM OPENING, A VACUUM PUMP IN COMMUNICATION WITH SAID VESSEL, A CONDUIT CONNECTING SAID INTERMEDIATE CHAMBER TO SAID VACUUM PUMP, THREE-WAY VALVE MEANS DISPOSED IN SAID CONDUIT FOR SELECTIVELY CONNECTING SAID INTERMEDIATE CHAMBER EITHER TO SAID VACUUM PUMP OR TO ATMOSPHERE, AND A THROTTLING DEVICE PROVIDED IN SAID CONDUIT BETWEEN SAID VALVE MEANS AND SAID VACUUM PUMP, WHEREBY THE PRESSURE IN SAID INTERMEDIATE CHAMBER MAY BE ADJUSTED TO ANY DESIRED VALUE BETWEEN THAT OF SAID VACUUM PUMP AND ATMOSPHERIC.
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) | 1959-01-23 | 1959-07-25 | 1960-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-23 | 1963-07-25 | 1964-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-23 | 1967-07-25 | 1968-01-24 | $7700.00 | Window Closed / Lapsed |