US3266945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum working procedure
Assignee: Honsel Werke AG
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Filing: 1962-08-07
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Granted: 1966-08-16
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Expires: 1982-08-07
Abstract
No abstract record available.
Inventors
- 👤 Helling Werner
- 👤 Honsel Hans-Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:45
CPC Classifications
C; C22; C22F; C22F1/00; C22F1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A METHOD OF FORMING ALUMINUM BODIES FROM ALUMINUM BILLETS CONTAINING 99.8 TO 99.99% OF ALUMINUM AND ALUMINUM BILLETS CONTAINING UP TO 2.8% OF MAGNESIUM, WHICH COMPRISES HOMOGENIZNG THE BILLET AT A TEMPRATURE ABOVE ABOUT 550*C. AND BELOW THE FUSIION POINT, QUENCHING THE HOMOGENIZED BILLET TO A TEMPERATURE OF ABOUT 500*C., THEREAFTER IMMEDIATELY SHAPING THE BILLET INTO AN INTERMEDIATE SHAPE IN A TEMPERATURE RANGE OF ABOUT 500 TO 420*C., THEN QUENCHING THE INTERMEDIATE SHAPE TO A TEMPERATURE OF BELOW ABOUT 200*C., AND SHAPING THE INTERMEDIATE SHAPE INTO A FINAL ALUMINUM BODY AT A TEMPERATURE BELOW 200*C.
Claim 2
Independent Claim
95 words
A METHOD OF FORMING ALUMINUM BODIES FROM ALUMINUM BILLETS CONTAINING 99.8 TO 99.99% OF ALUMINUM AND ALUMINUM BILLETS CONTAINING UP TO 2.8% OF MAGNESIUM, WHICH COMPRISES HOMOGENIZNG THE BILLET AT A TEMPRATURE ABOVE ABOUT 550*C. AND BELOW THE FUSIION POINT, QUENCHING THE HOMOGENIZED BILLET TO A TEMPERATURE OF ABOUT 500*C., THEREAFTER IMMEDIATELY SHAPING THE BILLET INTO AN INTERMEDIATE SHAPE IN A TEMPERATURE RANGE OF ABOUT 500 TO 420*C., THEN QUENCHING THE INTERMEDIATE SHAPE TO A TEMPERATURE OF BELOW ABOUT 200*C., AND SHAPING THE INTERMEDIATE SHAPE INTO A FINAL ALUMINUM BODY AT A TEMPERATURE BELOW 200*C.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |