US2735807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-cleaning apparatus for purifying
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
2026-10-25 05:02
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/10; Y; Y10; Y10S; Y10S159/00; Y10S159/13; Y10S159/15; Y10S203/00; Y10S203/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
SELF-CLEANING EVAPORATOR EQUIPMENT COMPRISING A VAPORIZER DRUM TO RECEIVE AGGREGATE MATERIAL, MEANS TO SHIFT SAID DRUM SUFFICIENTLY TO AGITATE SAID MATERIAL, SAID SHIFTING MEANS COMPRISING A DEVICE TO CONTROL THE SHIFTING OF THE DRUM AT SAID TWO DISTINCT SPEED SO AS TO PRODUCE AGITATION OF THE MATERIAL IN TWO DISTINCT DEGREES OF VIOLENCE, MEANS TO HEAT SAID MATERIAL IN SAID DRUM, A VAPOR DISCHARGE DUCT COMMUNICATING WITH THE INTERIOR OF SAID DRUM, A CONDENSER COIL SUPPLIED BY SAID DRUM WHEN THE SAME IS SHIFTED RELATIVELY SLOWLY, A DISPOSAL LINE SUPPLID BY SAID DRUM WHEN THE SAME IS SHIFTED AT A DISTINCTLY HIGHER SPEED, MEANS TO WITHDRAW VAPOR AND THE LIKE FROM SAID DRUM THROUGH SAID DUCT AND FOR WARD THE SAME TO SAID COIL INCLUDING A MANUALLY CONTROLLABLE VALVE SELECTIVELY OPERABLE TO COMMUNICATE SAID DUCT WITH SAID COIL OR WITH SAID DISPOSAL LINE, A CONDENSER CASING HOUSING SAID COIL AND PROVIDED WITH MEANS
Claim 2
Dependent Claim
153 words
SELF-CLEANING EVAPORATOR EQUIPMENT COMPRISING A VAPORIZER DRUM TO RECEIVE AGGREGATE MATERIAL, MEANS TO SHIFT SAID DRUM SUFFICIENTLY TO AGITATE SAID MATERIAL, SAID SHIFTING MEANS COMPRISING A DEVICE TO CONTROL THE SHIFTING OF THE DRUM AT SAID TWO DISTINCT SPEED SO AS TO PRODUCE AGITATION OF THE MATERIAL IN TWO DISTINCT DEGREES OF VIOLENCE, MEANS TO HEAT SAID MATERIAL IN SAID DRUM, A VAPOR DISCHARGE DUCT COMMUNICATING WITH THE INTERIOR OF SAID DRUM, A CONDENSER COIL SUPPLIED BY SAID DRUM WHEN THE SAME IS SHIFTED RELATIVELY SLOWLY, A DISPOSAL LINE SUPPLID BY SAID DRUM WHEN THE SAME IS SHIFTED AT A DISTINCTLY HIGHER SPEED, MEANS TO WITHDRAW VAPOR AND THE LIKE FROM SAID DRUM THROUGH SAID DUCT AND FOR WARD THE SAME TO SAID COIL INCLUDING A MANUALLY CONTROLLABLE VALVE SELECTIVELY OPERABLE TO COMMUNICATE SAID DUCT WITH SAID COIL OR WITH SAID DISPOSAL LINE, A CONDENSER CASING HOUSING SAID COIL AND PROVIDED WITH MEANS
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) | 1959-02-20 | 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 |