US3485611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary apparatus for making ceramic fibers
Assignee: Babcock and Wilcox Co
•
Filing: 1966-05-27
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Granted: 1969-12-23
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Expires: 1986-05-27
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Blaze Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:00
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/04; C03B37/045; Y; Y10; Y10S; Y10S264/00; Y10S264/19
Claims Analysis
Total Claims: 0
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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) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |