US3058820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing titanium metal
Assignee: Individual
•
Filing: 1958-07-25
•
Granted: 1962-10-16
•
Expires: 1978-07-25
Abstract
No abstract record available.
Inventors
- 👤 Bert W Whitehurst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:45
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1263; C22B34/1268; C22B34/1272; C22B34/129
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE296867C
Cited
DE628147C
Cited
US2607674A
Cited
US2768074A
Cited
US2647826A
Cited
US2789152A
Cited
US2854392A
Cited
US2938783A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |