US2968530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silicon-oxygen-nitrogen composition of matter
Assignee: Union Carbide Corp
•
Filing: 1957-03-20
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Granted: 1961-01-17
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Expires: 1977-03-20
Abstract
No abstract record available.
Inventors
- 👤 Forgeng William Daniel
- 👤 Russell W Gerby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:50
CPC Classifications
C; C01; C01B; C01B21/00; C01B21/082; C01B21/0821; C01B21/0823; C04; C04B; C04B35/00; C04B35/515; C04B35/58; C04B35/584; C04B35/591; C04B35/597; C01P; C01P2002/00; C01P2002/70; C01P2002/72
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
40 words
THE NOVEL COMPOSITION OF MATTER DISILICO OXYMONONITRIDE HAVING THE EMPIRICAL FORMULA SI2ON HAVING AN X-RAY DIFFRACTION PATTERN EXHIBITING PROMINENT LINES AT 3,38 A., 4.44 A. AND 4.69 A. FOR DIFFRACTED BEAMS HAVING RELATIVE INTENSITIES OF 100, 95 AND 55 RESPECTIVELY.
References Cited (Backward Citations)
US2666754A
Cited
US2823980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |