US2992959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of shaped bodies from heat resistant oxidation proof materials
Assignee: Kanthal AB
•
Filing: 1958-02-20
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Granted: 1961-07-18
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Expires: 1978-02-20
Abstract
No abstract record available.
Inventors
- 👤 Schrewelins Nils Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:17
CPC Classifications
F; F23; F23Q; F23Q7/00; F23Q7/22; C; C04; C04B; C04B35/00; C04B35/515; C04B35/58; C04B35/58085; C04B35/58092; C04B35/622; C04B35/626; C04B35/63; C04B35/6303; C04B35/6316; C04B35/64; H; H01; H01B; H01B1/00; H05; H05B; H05B3/00; H05B3/10; H05B3/12; H05B3/14; H05B3/148; C04B2235/00; C04B2235/70; C04B2235/74; C04B2235/75; H05B2203/00; H05B2203/018; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24364; Y10T428/24372; Y10T428/24413; Y10T428/24421
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A SHAPED BODY PREPARED FROM HEAT-RESISTANT OXIDATION-PROOF MATERIAL CONSISTING MAINLY OF MOLYBDENUM DISILICIDE, SAID BODY BEING FORMED OF AT LEAST TWO SEPARATE PARTS SINTERED TOGETHER TO FORM AN INTEGRAL BODY SURROUNDED IN ITS ENTIRETY BY A PROTECTING QUARTZ GLASS FILM, SAID BODY BEING COMPOSED OF FINELY DIVIDED SINTERED PARTICLES OF MILYBDENUM DISLICIDE WITH SILICAON DIOXIDE SUBSTANTIALLY COMPLETELY FILING THE PORES BETWEEN THE PARTICLES OF MOLYBEDENUM DISLICIDE TO FORM A SUBSTANTIALLY NON-POROUS BODY.
Claim 2
Dependent Claim
72 words
A SHAPED BODY PREPARED FROM HEAT-RESISTANT OXIDATION-PROOF MATERIAL CONSISTING MAINLY OF MOLYBDENUM DISILICIDE, SAID BODY BEING FORMED OF AT LEAST TWO SEPARATE PARTS SINTERED TOGETHER TO FORM AN INTEGRAL BODY SURROUNDED IN ITS ENTIRETY BY A PROTECTING QUARTZ GLASS FILM, SAID BODY BEING COMPOSED OF FINELY DIVIDED SINTERED PARTICLES OF MILYBDENUM DISLICIDE WITH SILICAON DIOXIDE SUBSTANTIALLY COMPLETELY FILING THE PORES BETWEEN THE PARTICLES OF MOLYBEDENUM DISLICIDE TO FORM A SUBSTANTIALLY NON-POROUS BODY.
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) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |