US3624007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical contact material and method of making and utilizing the same
Assignee: GTE Sylvania Inc
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Filing: 1970-01-07
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Granted: 1971-11-30
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Expires: 1990-01-07
Abstract
Abstract A composition of matter comprised of a powdered metal and a powdered glass formed by intimately mixing the two powdered materials together with a binder material, pressure forming into an article and sintering the article to its final form. The article is used ideally as an active electrical element and may be sealed to glass without any intermediate sealing material being utilized.
Inventors
- 👤 Edward Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:32
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/089; C03C3/091; H; H01; H01B; H01B1/00; H01B1/14; H01B1/16; H01J; H01J29/00; H01J29/92; H01J29/925; Y; Y10; Y10S; Y10S228/00; Y10S228/903; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12542; Y10T428/12549
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
25 words
The composition of claim 1 wherein said powdered glass consists essentially of about 63 percent SiO2, about 21 percent B2O3 and about 8 percent Al2O3.
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) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |