US3378413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of heat treating an aluminum bronze alloy
Assignee: Ampco Metal Inc
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Filing: 1964-10-28
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Granted: 1968-04-16
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Expires: 1984-10-28
Abstract
No abstract record available.
Inventors
- 👤 Quentin F Ingerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:18
CPC Classifications
C; C22; C22F; C22F1/00; C22F1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A METHOD OF HEAT TREATING AN ALUMINUM BRONZE ALLOY, COMPRISING THE STEPS OF HEATING THE ALUMINUM BRONZE ALLOY CONSISTING ESSENTIALLY OF 10 TO 12% ALUMINUM, 2 TO 10% NICKEL, AND 1 TO 6% IRON AND THE BALANCE COPPER TO A TEMPERATURE IN THE RANGE OF 1500 TO 1850*F., QUENCHING THE ALLOY TO ROOM TEMPERATURE, HEATING THE ALLOY TO A TEMPERATURE IN THE RANGE OF 800 TO 1050*F. TO EFFECT STRESS RELIEVING OF THE ALLOY AND PRECIPITATE SECONDARY ALPHA PHASE, AND COOLING THE ALLOY TO ROOM TEMPERATURE.
Claim 2
Independent Claim
86 words
A METHOD OF HEAT TREATING AN ALUMINUM BRONZE ALLOY, COMPRISING THE STEPS OF HEATING THE ALUMINUM BRONZE ALLOY CONSISTING ESSENTIALLY OF 10 TO 12% ALUMINUM, 2 TO 10% NICKEL, AND 1 TO 6% IRON AND THE BALANCE COPPER TO A TEMPERATURE IN THE RANGE OF 1500 TO 1850*F., QUENCHING THE ALLOY TO ROOM TEMPERATURE, HEATING THE ALLOY TO A TEMPERATURE IN THE RANGE OF 800 TO 1050*F. TO EFFECT STRESS RELIEVING OF THE ALLOY AND PRECIPITATE SECONDARY ALPHA PHASE, AND COOLING THE ALLOY TO ROOM TEMPERATURE.
References Cited (Backward Citations)
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Cited
US3287180A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |