US3348599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for dewatering and dehydrating slimes and the like
Assignee: SCIENTISM LAB
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Filing: 1964-04-03
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Granted: 1967-10-24
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Expires: 1984-04-03
Abstract
No abstract record available.
Inventors
- 👤 John E Lohstoeter
- 👤 John L Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:57
CPC Classifications
F; F26; F26B; F26B3/00; F26B3/02; F26B3/10; F26B3/12; Y; Y10; Y10S; Y10S159/00; Y10S159/26; Y10S159/90; Y10S159/905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
APPARATUS FOR DRYING SLUDGE, COMPRISING A DRYING CHAMBER HAVING A TOP PORTION INCLUDING MEANS FOR EXTRUDING THE SLUDGE IN RIBBONS WHILE SUPERHEATED STEAM IS INTRODUCED ALONG SAID RIBBONS INTO SAID CHAMBER SO AS TO SURFACE-DRY SAID RIBBONS AS THEY FALL TO FORM PARTICLES ON THE BOTTOM PORTION OF SAID CHAMBER, A FILTER AT THE BOTTOM PORTION OF SAID CHAMBER ON WHICH THE FALLING PARTICLES ARE COLLECTED AND SUPPORTED, AND A CONDENSER CONNECTED THE BOTTOM PORTION OF SAID CHAMBER BELOW SAID FILTER SO THAT THE SUPERHEATED STEAM IS PASSED THROUGH THE FILTER AND SUPPORTED LAYER OF SLUDGE.
Claim 2
Dependent Claim
96 words
APPARATUS FOR DRYING SLUDGE, COMPRISING A DRYING CHAMBER HAVING A TOP PORTION INCLUDING MEANS FOR EXTRUDING THE SLUDGE IN RIBBONS WHILE SUPERHEATED STEAM IS INTRODUCED ALONG SAID RIBBONS INTO SAID CHAMBER SO AS TO SURFACE-DRY SAID RIBBONS AS THEY FALL TO FORM PARTICLES ON THE BOTTOM PORTION OF SAID CHAMBER, A FILTER AT THE BOTTOM PORTION OF SAID CHAMBER ON WHICH THE FALLING PARTICLES ARE COLLECTED AND SUPPORTED, AND A CONDENSER CONNECTED THE BOTTOM PORTION OF SAID CHAMBER BELOW SAID FILTER SO THAT THE SUPERHEATED STEAM IS PASSED THROUGH THE FILTER AND SUPPORTED LAYER OF SLUDGE.
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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |