US3301029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Working aluminous metals
Assignee: Reynolds Metals Co
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Filing: 1964-07-06
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Granted: 1967-01-31
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Expires: 1984-07-06
Abstract
No abstract record available.
Inventors
- 👤 Thomas L Fritzlen
- 👤 Linton D Bylund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:42
CPC Classifications
B; B21; B21B; B21B9/00; B21B45/00; B21B45/02; B21B45/0239; B21B45/0245; B21B45/0248; B21B45/0251; B21B3/00; B21B2003/001; B21B27/00; B21B27/06; B21B27/10; B21B45/0242; B21B45/0269; B21B45/029; B21B45/0296; Y; Y02; Y02P; Y02P70/00; Y02P70/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
IN THE PROCESS FOR THE ROLLING OF AN ALUMINUM ALLOY WHEREIN SAID ALLOW IS PASSED THROUGH A PLURALITY OF COOPERATING ROLLS IN ORDER TO REDUCE THE THICKNESS THEREOF, THE IMPROVEMENT WHICH COMPRISES CONTACTING SAID ALLOY WITH A ROLLING OIL TO WHICH HAS BEEN ADDED GAS SUBSTANTIALLY FREE FROM SUBSTANCES REACTIVE WITH ALUMINUM AT THE ROLLING TEMPERATURE.
Claim 2
Dependent Claim
56 words
IN THE PROCESS FOR THE ROLLING OF AN ALUMINUM ALLOY WHEREIN SAID ALLOW IS PASSED THROUGH A PLURALITY OF COOPERATING ROLLS IN ORDER TO REDUCE THE THICKNESS THEREOF, THE IMPROVEMENT WHICH COMPRISES CONTACTING SAID ALLOY WITH A ROLLING OIL TO WHICH HAS BEEN ADDED GAS SUBSTANTIALLY FREE FROM SUBSTANCES REACTIVE WITH ALUMINUM AT THE ROLLING TEMPERATURE.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |