US3261682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zirconium alloys containing cerium and yttrium
Assignee: Siemens Schuckertwerke AG
•
Filing: 1962-11-08
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Granted: 1966-07-19
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Expires: 1982-11-08
Abstract
No abstract record available.
Inventors
- 👤 Rosler Ulrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:12
CPC Classifications
C; C22; C22C; C22C16/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
25 words
A ZIRCONIUM ALLOY CONSISTINGG ESSENTIALLY OF 0.3 TO 2.5% COLUMBIUM, 0.01 TO 0.5% CERIUM, AND AT LEAST ONE ADDITION SELECTED FROM THE GROUP CONSISTING OF
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US3261683A
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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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |