US4460494A
Expired / Lapsed
US
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Resistor
Assignee: Hitachi Ltd
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Filing: 1982-11-09
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Granted: 1984-07-17
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Expires: 2002-11-09
Abstract
Abstract Disclosed is a resistor made of an alloy consisting essentially of Cr, Si and SiO.
Inventors
- 👤 Katsuo Abe
- 👤 Tsuneyoshi Kawahito
- 👤 Tsuneaki Kamei
- 👤 Masao Mitani
- 👤 Kazuyuki Fujimoto
- 👤 Shigetoshi Hiratsuka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:47
CPC Classifications
H; H01; H01C; H01C17/00; H01C17/06; H01C17/075; H01C17/12; H01C7/00; H01C7/006; H05; H05B; H05B3/00; H05B3/10
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
28 words
A resistor made of an alloy consisting essentially of 1 to 98 mol% of Cr, 1 to 98 mol% of Si and 1 to 98 mol% of SiO.
Claim 2
Dependent Claim
28 words
A resistor made of an alloy consisting essentially of 1 to 98 mol% of Cr, 1 to 98 mol% of Si and 1 to 98 mol% of SiO.
Claim 3
Dependent Claim
28 words
A resistor made of an alloy consisting essentially of 10 to 85 mol% of Cr, 4 to 89 mol% of Si and 1 to 60 mol% of SiO.
Claim 4
Dependent Claim
28 words
A resistor made of an alloy consisting essentially of 10 to 85 mol% of Cr, 4 to 89 mol% of Si and 1 to 60 mol% of SiO.
Claim 5
Dependent Claim
28 words
A resistor made of an alloy consisting essentially of 20 to 74 mol% of Cr, 15 to 79 mol% of Si and 1 to 55 mol% of SiO.
Claim 6
Dependent Claim
28 words
A resistor made of an alloy consisting essentially of 20 to 74 mol% of Cr, 15 to 79 mol% of Si and 1 to 55 mol% of SiO.
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) | 1987-07-17 | 1988-01-16 | 1988-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-07-17 | 1992-01-16 | 1992-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-07-17 | 1996-01-16 | 1996-07-17 | $7700.00 | Window Closed / Lapsed |