Patent US3148055A successfully refreshed from Google Patents.
US3148055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zirconium alloys
Assignee: Westinghouse Electric Corp
•
Filing: 1960-04-14
•
Granted: 1964-09-08
•
Expires: 1980-04-14
Abstract
No abstract record available.
Inventors
- 👤 Kass Stanley
- 👤 Wilber W Kirk
- 👤 Donald W Bright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:44
CPC Classifications
C; C22; C22C; C22C16/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A WORKABLE ZIRCONIUM-BASE ALLOY HAVING A LOWERED CAPACITY FOR HYDROGEN ABSORPTION DURING EXPOSURE TO HIGH TEMPERATURE WATER OR STEAM CONSISTING OF, FROM 0.1% TO 2.5% BY WEIGHT OF TIN, AND A TOTAL OF AT LEAST 0.1%, BUT NOT EXCEEDING APPROXIMATELY 2% BY WEIGHT OF AT LEAST ONE METAL FROM PERIOD 3 OF THE PERIODIC TABLE SELECTED FROM THE GROUP CONSISTING OF IRON, NICKEL, AND CHROMIUM, AT LEAST 0.16%, BUT NOT EXCEEDING 0.25%, BY WEIGHT OF OXYGEN, CARBON NOT EXCEEDING 0.05%, THE BALANCE BEING ZIRCONIUM AND LESS THAN 0.5% BY WEIGHT OF INCIDENTAL IMPURITIES.
Claim 2
Dependent Claim
93 words
A WORKABLE ZIRCONIUM-BASE ALLOY HAVING A LOWERED CAPACITY FOR HYDROGEN ABSORPTION DURING EXPOSURE TO HIGH TEMPERATURE WATER OR STEAM CONSISTING OF, FROM 0.1% TO 2.5% BY WEIGHT OF TIN, AND A TOTAL OF AT LEAST 0.1%, BUT NOT EXCEEDING APPROXIMATELY 2% BY WEIGHT OF AT LEAST ONE METAL FROM PERIOD 3 OF THE PERIODIC TABLE SELECTED FROM THE GROUP CONSISTING OF IRON, NICKEL, AND CHROMIUM, AT LEAST 0.16%, BUT NOT EXCEEDING 0.25%, BY WEIGHT OF OXYGEN, CARBON NOT EXCEEDING 0.05%, THE BALANCE BEING ZIRCONIUM AND LESS THAN 0.5% BY WEIGHT OF INCIDENTAL IMPURITIES.
References Cited (Backward Citations)
US2772964A
Cited
US3005706A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |