US2735792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
kroyer
Assignee: —
•
Filing: —
•
Granted: 1956-02-21
•
Expires: 1973-02-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:33
CPC Classifications
C; C13; C13K; C13K1/00; C13K1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
AN APPARATUS FOR THE CONTINUOUS CONVERSION OF POLYSACCHARIDE MATERIALS COMPRISING A HEAT EXCHANGER HAVING A CONTINUOUS FLOW SPACE BETWEEN OUTER AND INNER HEATING SURFACES, MEANS FOR CONTINUOUSLY SUPPLYING CONVERTIBLE POLYSACCHARIDE MEDIUM TO ONE END OF SAID FLOW SPACE AT A PRESSURE SUBSTANTIALLY ABOVE THAT OF SATURATED STREAM AT THE MAXIMUM TEMPERATURE OF THE POLYSACCHARIDE MEDIUM OCCURING IN SAID HEAT EXCHANGER AND A TUBULAR CONVERTER CONNECTED TO THE OTHER END OF SAID FLOW SPACE FOR RECEIVING THE POLYSACCHARIDE MEDIUM HEATED THEREIN SAID HEAT EXCHANGER AND SAID TUBULAR CONVERTER BEING CONSTRUCTED TO FORM A CONTINUOUS CONDUIT SYSTEM FOR THE TREATMENT OF A CONTINUOUS FLOW OF SAID POLYSACCHARIDE MEDIUM IN THE ABSENCE OF STEAM.
Claim 2
Independent Claim
111 words
AN APPARATUS FOR THE CONTINUOUS CONVERSION OF POLYSACCHARIDE MATERIALS COMPRISING A HEAT EXCHANGER HAVING A CONTINUOUS FLOW SPACE BETWEEN OUTER AND INNER HEATING SURFACES, MEANS FOR CONTINUOUSLY SUPPLYING CONVERTIBLE POLYSACCHARIDE MEDIUM TO ONE END OF SAID FLOW SPACE AT A PRESSURE SUBSTANTIALLY ABOVE THAT OF SATURATED STREAM AT THE MAXIMUM TEMPERATURE OF THE POLYSACCHARIDE MEDIUM OCCURING IN SAID HEAT EXCHANGER AND A TUBULAR CONVERTER CONNECTED TO THE OTHER END OF SAID FLOW SPACE FOR RECEIVING THE POLYSACCHARIDE MEDIUM HEATED THEREIN SAID HEAT EXCHANGER AND SAID TUBULAR CONVERTER BEING CONSTRUCTED TO FORM A CONTINUOUS CONDUIT SYSTEM FOR THE TREATMENT OF A CONTINUOUS FLOW OF SAID POLYSACCHARIDE MEDIUM IN THE ABSENCE OF STEAM.
References Cited (Backward Citations)
US1928891A
Cited
US1927312A
Cited
US2337688A
Cited
US2233243A
Cited
US2313574A
Cited
US2359763A
Cited
US2304679A
Cited
US2565404A
Cited
US2481436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-20 | 1959-08-22 | 1960-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-20 | 1963-08-22 | 1964-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-20 | 1967-08-22 | 1968-02-21 | $7700.00 | Window Closed / Lapsed |