US3196007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beryllium copper composition and method of producing green compacts and sintered articles therefrom
Assignee: Materion Brush Inc
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Filing: 1962-06-12
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Granted: 1965-07-20
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Expires: 1982-06-12
Abstract
No abstract record available.
Inventors
- 👤 Keith G Wikle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:43
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/04; C22C1/0425
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A METHOD OF PRODUCING A GREEN COMPACT TO BE MADE INTO A SINTERED BODY OF BERYLLIUM COPPER ALLOY AND COMPRISING INTIMATELY INTERMIXING BERYLLIUM COPPER ALLOY POWDER AND FREE COPPER POWDER, TO FORM A MIXTURE WHEREIN THE BERYLLIUM CONTENT RANGES FROM ABOUT 0.4% TO ABOUT 3.6% BY WEIGHT, OF THE TOTAL MIXTURE, THEN COMPACTING THE MIXTURE AT TEMPERATURES BELOW SINTERING TO PREDETERMINED DENSITY.
Claim 2
Independent Claim
62 words
A METHOD OF PRODUCING A GREEN COMPACT TO BE MADE INTO A SINTERED BODY OF BERYLLIUM COPPER ALLOY AND COMPRISING INTIMATELY INTERMIXING BERYLLIUM COPPER ALLOY POWDER AND FREE COPPER POWDER, TO FORM A MIXTURE WHEREIN THE BERYLLIUM CONTENT RANGES FROM ABOUT 0.4% TO ABOUT 3.6% BY WEIGHT, OF THE TOTAL MIXTURE, THEN COMPACTING THE MIXTURE AT TEMPERATURES BELOW SINTERING TO PREDETERMINED DENSITY.
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |