US2406172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Platinum or allied metals, or their alloys, and articles made therefrom
Assignee: Baker and Co Inc
•
Filing: 1943-03-09
•
Granted: 1946-08-20
•
Expires: 1963-03-09
Abstract
No abstract record available.
Inventors
- 👤 Smithells Colin James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:22
CPC Classifications
H; H01; H01T; H01T13/00; H01T13/20; H01T13/39; B; B26; B26D; B26D3/00; B26D3/18; C; C22; C22C; C22C32/00; C22C32/001; C22C32/0015; C22C32/0021; H10; H10N; H10N10/00; H10N10/80; H10N10/85; H10N10/851; H10N10/854
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) | 1949-08-19 | 1950-02-18 | 1950-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-08-19 | 1954-02-18 | 1954-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-08-19 | 1958-02-18 | 1958-08-20 | $7700.00 | Window Closed / Lapsed |