US3625677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum alloys
Assignee: TI Group Services Ltd
•
Filing: 1968-12-26
•
Granted: 1971-12-07
•
Expires: 1988-12-26
Abstract
Abstract THIS INVENTION RELATES TO A RANGE OF ALUMINIUM ALLOYS, AND METHODS OF PREPARING THEM. THE MATERIALS ARE PRIMARILY BINARY ALLOYS IN WHICH THE MINOR CONSTITUENT IS IRON, ALTHOUGH A THIRD CONSTITUENT MAY BE PRESENT, OR EVEN MORE, APART FROM IMPURITIES, WITHOUT DEPARTING FROM THE SCOPE OF THE INVENTION AND THE SECOND CONSTITUENT MAY BE ELEMENTS OTHER THAN IRON BUT HAVING A SIMILAR EFFECT, AS WILL BE FURTHER EXPLAINED LATER.
Inventors
- 👤 Howard Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:26
CPC Classifications
C; C22; C22F; C22F1/00; C22F1/04; C22C; C22C21/00; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/12764
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-12-06 | 1975-06-07 | 1975-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-06 | 1979-06-07 | 1979-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-06 | 1983-06-07 | 1983-12-07 | $7700.00 | Window Closed / Lapsed |