US3205070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion resistant zirconium base alloys containing cb, cr, and sn
Assignee: Millennium Petrochemicals Inc
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Filing: 1961-05-23
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Granted: 1965-09-07
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Expires: 1981-05-23
Abstract
No abstract record available.
Inventors
- 👤 Bertea Octavian
- 👤 James R Gross
- 👤 Stanley R Seagle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:42
CPC Classifications
C; C22; C22C; C22C16/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
AN ALLOY COMPOSED OF 1-3% BY WEIGHT CB, 1-3% BY WEIGHT CR, 0.3-3% BY WEIGHT SN AND THE BALANCE ZIRCONIUM WITH INCIDENTAL IMPURITIES, CHARACTERIZED BY HAVING CORROSION RESISTANCE SUCH THAT IT GAINS 78.9 MG./DM.2 OR LESS, WHEN EXPOSED FOR 14 DAYS TO 750*F.-1500 P.S.I.G.
Claim 2
Dependent Claim
44 words
AN ALLOY COMPOSED OF 1-3% BY WEIGHT CB, 1-3% BY WEIGHT CR, 0.3-3% BY WEIGHT SN AND THE BALANCE ZIRCONIUM WITH INCIDENTAL IMPURITIES, CHARACTERIZED BY HAVING CORROSION RESISTANCE SUCH THAT IT GAINS 78.9 MG./DM.2 OR LESS, WHEN EXPOSED FOR 14 DAYS TO 750*F.-1500 P.S.I.G.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |