US3275787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for producing particles by electron melting and ultrasonic agitation
Assignee: General Electric Co
•
Filing: 1963-12-30
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Granted: 1966-09-27
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Expires: 1983-12-30
Abstract
No abstract record available.
Inventors
- 👤 Sterling P Newberry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:19
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/06; B22F9/08; H; H01; H01J; H01J37/00; H01J37/30; H01J37/305; B22F9/082; B22F2009/084; B22F2999/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A PROCESS FOR PRODUCING UNIFORMLY SMALL SPHERICAL PARTICLES OF CONTROLLED SIZE IN THE RANGE OF 10 TO 100 MICRONS DIAMETER COMPRISING THE STEPS OF DIRECTING AN ELECTRON BEAM AT A BODY OF MATERIAL CONTAINED WITHIN A HOUSING WHEREIN THE MATERIAL IS CHARACTERIZED BY THE PROPERTY OF EXISTING IN LIQUID STATE AT PRESSURES BELOW ATMOSPHERIC, HEATING A SELECTED PORTION OF THE MATERIAL TO A DESIRED TEMPERATURE BY SUBJECTING THAT PORTION TO SUFFICIENT ELECTRON BEAM IRRADIATION TO PRODUCE A THIN MOLTEN SURFACE THEREON TO ONE OF SEVERAL PARTICLE DIAMETERS OF THE MATERIAL, AND
Claim 2
Dependent Claim
91 words
A PROCESS FOR PRODUCING UNIFORMLY SMALL SPHERICAL PARTICLES OF CONTROLLED SIZE IN THE RANGE OF 10 TO 100 MICRONS DIAMETER COMPRISING THE STEPS OF DIRECTING AN ELECTRON BEAM AT A BODY OF MATERIAL CONTAINED WITHIN A HOUSING WHEREIN THE MATERIAL IS CHARACTERIZED BY THE PROPERTY OF EXISTING IN LIQUID STATE AT PRESSURES BELOW ATMOSPHERIC, HEATING A SELECTED PORTION OF THE MATERIAL TO A DESIRED TEMPERATURE BY SUBJECTING THAT PORTION TO SUFFICIENT ELECTRON BEAM IRRADIATION TO PRODUCE A THIN MOLTEN SURFACE THEREON TO ONE OF SEVERAL PARTICLE DIAMETERS OF THE MATERIAL, AND
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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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |