US2935394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing micron and sub-micron metals
Assignee: COMMONWEALTH ENGINEERING Corp
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Filing: 1956-04-16
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Granted: 1960-05-03
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Expires: 1976-04-16
Abstract
No abstract record available.
Inventors
- 👤 Malvern J Hiler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:31
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/16; B22F9/30; B22F9/305; B01; B01J; B01J23/00; B01J23/70; Y; Y10; Y10S; Y10S149/00; Y10S149/11; Y10S149/114
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
IN A METHOD OF PRODUCING SIMULTANEOUSLY A SUCCESSION OF METALLIC PARTICULATES OF LOW MICRON AND SUBMICRON SIZE COMPRISING PASSING METAL BEARING GASES THROUGH AT LEAST TWO HEATING ZONES, EACH OF SAID ZONES BEING ADAPTED BY ITS PARTICULAR HEAT TO MATCH THE HEAT OF DECOMPOSITION OF EACH METAL BEARING GAS, WHEREBY THE METAL PARTICULATES OF LOW MICRON AND SUBMICRON SIZE ARE DEPOSITED AS EACH GAS PASSES THROUGH THE HEATING ZONE THAT IS THE ZONE OF ITS DECOMPOSITION HEAT.
Claim 2
Dependent Claim
77 words
IN A METHOD OF PRODUCING SIMULTANEOUSLY A SUCCESSION OF METALLIC PARTICULATES OF LOW MICRON AND SUBMICRON SIZE COMPRISING PASSING METAL BEARING GASES THROUGH AT LEAST TWO HEATING ZONES, EACH OF SAID ZONES BEING ADAPTED BY ITS PARTICULAR HEAT TO MATCH THE HEAT OF DECOMPOSITION OF EACH METAL BEARING GAS, WHEREBY THE METAL PARTICULATES OF LOW MICRON AND SUBMICRON SIZE ARE DEPOSITED AS EACH GAS PASSES THROUGH THE HEATING ZONE THAT IS THE ZONE OF ITS DECOMPOSITION HEAT.
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) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |