US3264147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beryllium alloy and process
Assignee: Honeywell Inc
•
Filing: 1963-10-16
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Granted: 1966-08-02
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Expires: 1983-10-16
Abstract
No abstract record available.
Inventors
- 👤 Bonfield William
- 👤 Jack A Sartell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:30
CPC Classifications
C; C22; C22C; C22C25/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
90 words
THE METHOD OF PEPARING A BERYLLIUM-SILVER ALLOY EXHIBITING IMPROVED MICROSCOPIC YIELD STRESS COMPRISING: MIXING FINELY DIVIDED SILVER AND BERYLLIUM POWDERS, THE COMPOSITION BEING FROM ABOUT 1% TO ABOUT 8% SILVER, BALANCE BERYLLIUM; HOT PRESSING THE MIXTURE FOR AT LEAST ONE HOUR AT A TEMPERATURE OF ABOUT 865*C. AND A PRESSURE OF ABOUT 13,000 P.S.I. TO FORM AN ALLOY; ANNEALING SAID ALLOY FOR ABOUT TWO HOURS AT A TEMPERATURE OF ABOUT 1000*C., COOLING SAID ALLOY; AND LOW TEMPERATURE AGING SAID ALLOY FOR ABOUT FOUR HOURS AT A TEMPERATURE OF ABOUT 300*C.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |