US2735624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulverizing process
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
2026-10-30 16:14
CPC Classifications
B; B02; B02C; B02C21/00; B02C19/00; B02C19/18; Y; Y10; Y10S; Y10S241/00; Y10S241/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A PROCESS WHICH COMPRISES FORMING A MIXTURE OF PARTICLES OF A SOLID MATERIAL WITH A LIQUEFIED NORMALLY GASEOUS REFRIGERANT, PASSING SAID MIXTURE INTO AND THROUGH A HEATING ZONE WHEREIN SAID REFRIGERANT IS SUBSTANTIALLY COMPLETELY VAPORIZED THEREBY FORMING A LOW TEMPERATURE DISPERSION OF SOLID PARTICLES IN A STREAM OF THE RESULTING VAPOR, PASSING SAID DISPERSION THROUGH A SUCCEEDING ZONE OF HIGH VELOCITY FLOW WHILE REDUCING THE PRESSURE THERE-
Claim 2
Dependent Claim
67 words
A PROCESS WHICH COMPRISES FORMING A MIXTURE OF PARTICLES OF A SOLID MATERIAL WITH A LIQUEFIED NORMALLY GASEOUS REFRIGERANT, PASSING SAID MIXTURE INTO AND THROUGH A HEATING ZONE WHEREIN SAID REFRIGERANT IS SUBSTANTIALLY COMPLETELY VAPORIZED THEREBY FORMING A LOW TEMPERATURE DISPERSION OF SOLID PARTICLES IN A STREAM OF THE RESULTING VAPOR, PASSING SAID DISPERSION THROUGH A SUCCEEDING ZONE OF HIGH VELOCITY FLOW WHILE REDUCING THE PRESSURE THERE-
References Cited (Backward Citations)
US2560807A
Cited
US2021143A
Cited
US2062374A
Cited
US2242796A
Cited
US2315083A
Cited
US2315084A
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 |