US2752097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the production of fine and ultrafine particles
Assignee: Microcyclomat Co
•
Filing: 1951-08-17
•
Granted: 1956-06-26
•
Expires: 1971-08-17
Abstract
No abstract record available.
Inventors
- 👤 Lecher Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:42
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/08; B01J19/10; B02; B02C; B02C13/00; B02C13/14; B02C13/18; B02C2013/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
THE METHOD OF DISINTEGRATING GRANULES OF SOLID MATERIAL WHICH COMPRISES CARRYING SAIDSOLID MATERIAL IN A DRY GASEOUS FLUID AND SUBJECTING SAID SOLID MATERIAL TO COLLISION WITH SOLID SURFACES SUFFICIENT TO FRACTURE SAID GRANULES ADN SIMULTANEOUSLY DISINTERGRATING THE FRACTURED GRANULES BY SUBJECTING THEM TO INTENSE SONIC ENERGY AT A LEVEL OF AT LEAST ABOUT 120 DECIBELS.
Claim 2
Independent Claim
55 words
THE METHOD OF DISINTEGRATING GRANULES OF SOLID MATERIAL WHICH COMPRISES CARRYING SAIDSOLID MATERIAL IN A DRY GASEOUS FLUID AND SUBJECTING SAID SOLID MATERIAL TO COLLISION WITH SOLID SURFACES SUFFICIENT TO FRACTURE SAID GRANULES ADN SIMULTANEOUSLY DISINTERGRATING THE FRACTURED GRANULES BY SUBJECTING THEM TO INTENSE SONIC ENERGY AT A LEVEL OF AT LEAST ABOUT 120 DECIBELS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |