US3018182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for treating materials
Assignee: Individual
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Filing: 1960-07-25
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Granted: 1962-01-23
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Expires: 1980-07-25
Abstract
No abstract record available.
Inventors
- 👤 John M Leach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:53
CPC Classifications
D; D06; D06B; D06B23/00; D06B23/20; D06B23/205; A; A23; A23B; A23B2/00; A23B2/40; A23B2/42; A23B2/425; B; B01; B01F; B01F25/00; B01F25/30; B01F25/31; B01F25/312; B01F25/3121
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A PROCESS OF TREATING MATERIAL WHICH EXPANDS DURING TREATMENT COMPRISING PROJECTING A STREAM OF TREATING FLUID, PROJECTING THE MATERIAL TO BE TREATED INTO THE STREAM OF TREATING FLUID, COMPRESING THE TREATING FLUID AND MATERIAL TOGETHER INTO CLOSE INTERCONTACTING RELATIONSHIP TO BRING ABOUT EXPANSION OF THE MATERIAL, AND RELEASING THE COMPRESSION GRADUALLY TO COMPENSATE FOR THE EXPANSION BUT MAINTAINING THE TREATING FLUID AND MATERIAL IN CLOSE INTERMIXED RELATIONSHIP.
Claim 2
Dependent Claim
67 words
A PROCESS OF TREATING MATERIAL WHICH EXPANDS DURING TREATMENT COMPRISING PROJECTING A STREAM OF TREATING FLUID, PROJECTING THE MATERIAL TO BE TREATED INTO THE STREAM OF TREATING FLUID, COMPRESING THE TREATING FLUID AND MATERIAL TOGETHER INTO CLOSE INTERCONTACTING RELATIONSHIP TO BRING ABOUT EXPANSION OF THE MATERIAL, AND RELEASING THE COMPRESSION GRADUALLY TO COMPENSATE FOR THE EXPANSION BUT MAINTAINING THE TREATING FLUID AND MATERIAL IN CLOSE INTERMIXED RELATIONSHIP.
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) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |