US662951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of alloys of aluminium and magnesium.
Assignee: Individual
•
Filing: 1899-07-12
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Granted: 1900-12-04
•
Expires: 1919-07-12
Abstract
No abstract record available.
Inventors
- 👤 Ludwig Mach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:41
CPC Classifications
B; B22; B22D; B22D19/00; A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/30767; A61F2/30907; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49988
Claims Analysis
Total Claims: 0
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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) | 1903-12-04 | 1904-06-04 | 1904-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-12-04 | 1908-06-04 | 1908-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-12-04 | 1912-06-04 | 1912-12-04 | $7700.00 | Window Closed / Lapsed |