US3488183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for internal oxidation of metal powder from an alloy,a metal-powder mixture of various alloys or a partially alloyed metal-powder mixture
Assignee: Siemens AG
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Filing: 1967-08-08
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Granted: 1970-01-06
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Expires: 1987-08-08
Abstract
No abstract record available.
Inventors
- 👤 Horst Schreiner
- 👤 Helmut Ohmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:36
CPC Classifications
B; B01; B01J; B01J37/00; B01J37/12; C; C01; C01B; C01B13/00; C01B13/14; C01B13/32; C01B13/322; C22; C22C; C22C1/00; C22C1/10; C22C1/1078
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3317991A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |