US3437443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making fibers of titanium carbide and of titanium dioxide
Assignee: Corning Glass Works
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Filing: 1967-07-17
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Granted: 1969-04-08
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Expires: 1987-07-17
Abstract
No abstract record available.
Inventors
- 👤 William Hertl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:28
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/04; C01G23/047; C01B; C01B32/00; C01B32/90; C01B32/914; C01B32/921; C01P; C01P2004/00; C01P2004/10; C01P2004/60; C01P2004/61; C01P2004/62; Y; Y10; Y10S; Y10S264/00; Y10S264/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2980510A
Cited
US3338677A
Cited
US3065091A
Cited
US3161473A
Cited
US3244481A
Cited
US3385669A
Cited
US3395091A
Cited
US3329484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |