US3215545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Titanium diboride articles and method for making same
Assignee: Union Carbide Corp
•
Filing: 1962-12-26
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Granted: 1965-11-02
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Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 Ronald W Reidl
- 👤 Hartwig Jurgen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:08
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/58; C04B35/5805; C04B35/58064; C04B35/58071; C01; C01B; C01B35/00; C01B35/02; C01B35/04; C04B35/622; C04B35/626; C04B35/63; C04B35/632; C04B35/634; C04B35/63448; C04B35/63452; C04B35/64; C04B35/645
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
AS AN ARTICLE OF MANUFACTURE A PRESSED AND SINTERED MIXTURE OF TITANIUM DIBORIDE AND BETWEEN 3 AND 8 PARTS PER HUNDRED OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF NBB2 AND W2B5, SAID ARTICLE BEING CHARACTERIZED BY HIGH DENSITY AND HIGH STRENGTH.
Claim 2
Dependent Claim
43 words
AS AN ARTICLE OF MANUFACTURE A PRESSED AND SINTERED MIXTURE OF TITANIUM DIBORIDE AND BETWEEN 3 AND 8 PARTS PER HUNDRED OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF NBB2 AND W2B5, SAID ARTICLE BEING CHARACTERIZED BY HIGH DENSITY AND HIGH STRENGTH.
References Cited (Backward Citations)
US2802748A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |