US3281239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum base alloys containing thallium
Assignee: Dow Chemical Co
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Filing: 1964-04-22
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Granted: 1966-10-25
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Expires: 1984-04-22
Abstract
No abstract record available.
Inventors
- 👤 John T Reding
- 👤 Iii John J Newport
- 👤 Leonard M Vaught
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:53
CPC Classifications
C; C22; C22C; C22C21/00; C22C21/006; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/12; C23F13/14; H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/38; H01M4/46; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
AN ALUMINUM ALLOY HAVING A HIGH OXIDATION POTENTIAL AND A HIGH ELECTRICAL EQUIVALENT, SAID ALLOY CONSISTING ESSENTIALLY OF: FROM ABOUT 0.005 TO ABOUT 1 WEIGHT PERCENT THALLIUM, A MEMBER SELECTED FROM THE GROUP CONSISTING OF (A) GALLIUM (ABOUT 0.01 TO ABOUT 1 WEIGHT PERCENT), (B) ZINC (ABOUT 0.3 TO ABOUT 5 WEIGHT PERCENT), (C) BARIUM (ABOUT 0.1 TO ABOUT 5 WEIGHT PERCENT), (D) MERCURY (ABOUT 0.001 TO ABUT 0.5 WEIGHT PERCENT), (E) TIN (ABOUT 0.01 TO ABOUT 10 WEIGHT PERCENT), AND (F) MAGNESIUM (ABOUT 1 TO ABOUT 25 WEIGHT PERCENT) AND BALANCE ALUMINUM.
Claim 2
Dependent Claim
93 words
AN ALUMINUM ALLOY HAVING A HIGH OXIDATION POTENTIAL AND A HIGH ELECTRICAL EQUIVALENT, SAID ALLOY CONSISTING ESSENTIALLY OF: FROM ABOUT 0.005 TO ABOUT 1 WEIGHT PERCENT THALLIUM, A MEMBER SELECTED FROM THE GROUP CONSISTING OF (A) GALLIUM (ABOUT 0.01 TO ABOUT 1 WEIGHT PERCENT), (B) ZINC (ABOUT 0.3 TO ABOUT 5 WEIGHT PERCENT), (C) BARIUM (ABOUT 0.1 TO ABOUT 5 WEIGHT PERCENT), (D) MERCURY (ABOUT 0.001 TO ABUT 0.5 WEIGHT PERCENT), (E) TIN (ABOUT 0.01 TO ABOUT 10 WEIGHT PERCENT), AND (F) MAGNESIUM (ABOUT 1 TO ABOUT 25 WEIGHT PERCENT) AND BALANCE ALUMINUM.
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |