US3173779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing and coating glaze
Assignee: General Electric Co
•
Filing: 1959-12-16
•
Granted: 1965-03-16
•
Expires: 1979-12-16
Abstract
No abstract record available.
Inventors
- 👤 Navias Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:38
CPC Classifications
C; C03; C03C; C03C8/00; C03C8/02; C03C3/00; C03C3/04; C03C3/062; C03C3/064; C03C3/076; C03C3/089; C03C3/091; C04; C04B; C04B37/00; C04B37/02; C04B37/023; C04B37/026; C04B2235/00; C04B2235/65; C04B2235/656; C04B2235/6562; C04B2235/6567; C04B2237/00; C04B2237/02; C04B2237/10; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/343; C04B2237/40; C04B2237/403; C04B2237/50; C04B2237/70; C04B2237/708; C04B2237/78; C04B2237/84; C04B2237/88
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A METHOD OF PROVIDING A METAL TO CERAMIC SEAL WHICH COMPRISES PROVIDING A MIXTURE CONSISTING ESSENTIALLY OF ABOUT 25-45% BAO, 10-20% AL2O3, 30-50% SIOI2, AND 10-20% B2O3, THE PERCENTAGES BEING BY WEIGHT, APPLYING SAID MIXTURE BETWEEN THE METAL AND THE CERAMIC IN A METAL CERAMIC JOINT, AND FIRING THE MIXTURE TO MATURITY.
Claim 2
Independent Claim
52 words
A METHOD OF PROVIDING A METAL TO CERAMIC SEAL WHICH COMPRISES PROVIDING A MIXTURE CONSISTING ESSENTIALLY OF ABOUT 25-45% BAO, 10-20% AL2O3, 30-50% SIOI2, AND 10-20% B2O3, THE PERCENTAGES BEING BY WEIGHT, APPLYING SAID MIXTURE BETWEEN THE METAL AND THE CERAMIC IN A METAL CERAMIC JOINT, AND FIRING THE MIXTURE TO MATURITY.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |