US2946679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ductile electrical resistance alloy
Assignee: Johnson Matthey PLC
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Filing: 1959-07-29
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Granted: 1960-07-26
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Expires: 1979-07-29
Abstract
No abstract record available.
Inventors
- 👤 Darling Alan Sydney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:48
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/02; C; C22; C22C; C22C5/00; C22C5/02; C22C5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A DUCTILE STABLE HIGH RESISTANCE ALLOY COMPOSED OF 16-90% PALLADIUM, 5-64% GOLD AND 2.5-20% MOLYBDENUM APART FROM IMPURITIES.
Claim 2
Dependent Claim
18 words
A DUCTILE STABLE HIGH RESISTANCE ALLOY COMPOSED OF 16-90% PALLADIUM, 5-64% GOLD AND 2.5-20% MOLYBDENUM APART FROM IMPURITIES.
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) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |