Patent US2966430A successfully refreshed from Google Patents.
US2966430A
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Electric resistance elements
Assignee: Kanthal AB
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Filing: 1958-02-03
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Granted: 1960-12-27
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Expires: 1978-02-03
Abstract
No abstract record available.
Inventors
- 👤 Schrewelius Nils Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:42
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/22; H05B3/26; H01; H01B; H01B1/00; H05B2203/00; H05B2203/002; H05B2203/003; H05B2203/018; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12201; Y10T428/12208; Y10T428/12333; Y10T428/12493; Y10T428/12535; Y10T428/12583; Y10T428/1259; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/26; Y10T428/266; Y10T428/29; Y10T428/2913; Y10T428/2922; Y10T428/2924; Y10T428/2925; Y10T428/2933; Y10T428/294; Y10T428/2956
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
AN ELECTRIC RESISTANCE COMPRISING AN ELECTRICALLY INSULATING HEAT RESISTANT AND OXIDATION PROOF SUPPORT AND A THIN ELECTRICALLY CONDUCTING POROUS LAYER DEPOSITED BY MEANS OF FLAME-SPRAYING ON SAID SUPPORT, THE CONDUCTING LAYER CONSISTING ESSENTIALLY OF AT LEAST ONE SILICIDE OF THE TRANSITION ELEMENTS OF GROUPS FROM IV-VI IN THE PERIODIC SYSTEM, CHARACTERIZED IN THAT THE CONDUCTING LAYER
Claim 2
Dependent Claim
56 words
AN ELECTRIC RESISTANCE COMPRISING AN ELECTRICALLY INSULATING HEAT RESISTANT AND OXIDATION PROOF SUPPORT AND A THIN ELECTRICALLY CONDUCTING POROUS LAYER DEPOSITED BY MEANS OF FLAME-SPRAYING ON SAID SUPPORT, THE CONDUCTING LAYER CONSISTING ESSENTIALLY OF AT LEAST ONE SILICIDE OF THE TRANSITION ELEMENTS OF GROUPS FROM IV-VI IN THE PERIODIC SYSTEM, CHARACTERIZED IN THAT THE CONDUCTING LAYER
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) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |