US3012878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Titanium metal production process
Assignee: Millennium Petrochemicals Inc
•
Filing: 1958-09-16
•
Granted: 1961-12-12
•
Expires: 1978-09-16
Abstract
No abstract record available.
Inventors
- 👤 Werner C Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:06
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1263; C22B34/1268; C22B34/1272
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A PROCESS FOR PRODUCING TITANIUM METAL SPONGE WHICH COMPRISES ADDING A MATERIAL, HAVING THE EMPIRICAL FORMULA
Claim 2
Dependent Claim
16 words
A PROCESS FOR PRODUCING TITANIUM METAL SPONGE WHICH COMPRISES ADDING A MATERIAL, HAVING THE EMPIRICAL FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |