US3418106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refractory metal powder
Assignee: Fansteel Inc
•
Filing: 1968-01-31
•
Granted: 1968-12-24
•
Expires: 1988-01-31
Abstract
No abstract record available.
Inventors
- 👤 James A Pierret
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:51
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/04; H01G9/048; H01G9/052; H01G9/0525; B; B22; B22F; B22F9/00; B22F2998/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3295951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |