US3318683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refractory metal powders
Assignee: Battelle Development Corp
•
Filing: 1964-07-27
•
Granted: 1967-05-09
•
Expires: 1984-07-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Ellis L Foster
- 👤 Walter J Hildebrand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:20
CPC Classifications
C; C22; C22C; C22C27/00; B; B22; B22F; B22F9/00; B22F9/02; B22F9/04; C22C27/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A PROCESS FOR PREPARING HOMOGENEOUS POWDERED HIGH-PURITY REFRACTORY METAL ALLOYS SELECTED FROM THE GROUP OF REFRACTORY ALLOYS CONSISTING OF
Claim 2
Dependent Claim
19 words
A PROCESS FOR PREPARING HOMOGENEOUS POWDERED HIGH-PURITY REFRACTORY METAL ALLOYS SELECTED FROM THE GROUP OF REFRACTORY ALLOYS CONSISTING OF
References Cited (Backward Citations)
US2107279A
Cited
US2875034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |