US3099041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making powder
Assignee: NIUCLEAR METALS INC A CORP OF MASS
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Filing: 1961-03-08
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Granted: 1963-07-30
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Expires: 1981-03-08
Abstract
No abstract record available.
Inventors
- 👤 Albert R Kaufmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:31
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/14; B22F9/06; B22F9/08; B22F9/082; B22F2009/084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
APPARATUS FOR MAKING FINE POWDER OF UNIFORM CHARACTER AND NOT EXCEEDING IN SIZE 200 MICRONS IN DIAMETER COMPRISING A CHAMBER, MEANS FOR INTRODUCING A TUBULAR CONSUMABLE ELECTRODE WITHIN SAID CHAMBER, MEANSN FOR ROTATING SAID CONSUMABLE ELECTRODE WITHIN SAID CHAMBER, A CONVENTIONAL ELECTRODE OPERATIVELY MOUNTED WITHIN SAID CHAMBER AND IN COOPERATION WITH SAID ROTATING CONSUMABLE ELECTRODE, WITH THE LONGITUDINAL AXES OF SAID TUBULAR CONSUMABLE ELECTRODE AND OF SAID CONVENTIONAL ELECTRODE BEING DISPOSED IN A PARALLEL BUT SPACED APART RELATION, MEANS FOR MAINTAINING AN ELECTRIC ARC BETWEEN SAID ROTATING CONSUMABLE ELECTRODE AND SAID CONVENTIONAL ELECTRODE PROGRESSIVELY TO MELT SAID ROTATING CONSUMABLE ELECTRODE WHEREBY INIFORMLY SHAPED PORTIONS NOT EXCEEDING 200 MICRONS IN DIAMETER OF SAID ROTATING TUBULAR CONSUMABLE ELECTRODE ARE PROGRESSIVELY THROWN OFF BY CENTRIFUGAL FORCE FROM THE MOLTEN END THEREOF, AND MEANS FOR COLLECTING SAID PORTIONS.
Claim 2
Dependent Claim
134 words
APPARATUS FOR MAKING FINE POWDER OF UNIFORM CHARACTER AND NOT EXCEEDING IN SIZE 200 MICRONS IN DIAMETER COMPRISING A CHAMBER, MEANS FOR INTRODUCING A TUBULAR CONSUMABLE ELECTRODE WITHIN SAID CHAMBER, MEANSN FOR ROTATING SAID CONSUMABLE ELECTRODE WITHIN SAID CHAMBER, A CONVENTIONAL ELECTRODE OPERATIVELY MOUNTED WITHIN SAID CHAMBER AND IN COOPERATION WITH SAID ROTATING CONSUMABLE ELECTRODE, WITH THE LONGITUDINAL AXES OF SAID TUBULAR CONSUMABLE ELECTRODE AND OF SAID CONVENTIONAL ELECTRODE BEING DISPOSED IN A PARALLEL BUT SPACED APART RELATION, MEANS FOR MAINTAINING AN ELECTRIC ARC BETWEEN SAID ROTATING CONSUMABLE ELECTRODE AND SAID CONVENTIONAL ELECTRODE PROGRESSIVELY TO MELT SAID ROTATING CONSUMABLE ELECTRODE WHEREBY INIFORMLY SHAPED PORTIONS NOT EXCEEDING 200 MICRONS IN DIAMETER OF SAID ROTATING TUBULAR CONSUMABLE ELECTRODE ARE PROGRESSIVELY THROWN OFF BY CENTRIFUGAL FORCE FROM THE MOLTEN END THEREOF, AND MEANS FOR COLLECTING SAID PORTIONS.
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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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |