Patent US548060A successfully refreshed from Google Patents.
Patent US3667975A successfully refreshed from Google Patents.
US3667975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrudable refractory fibrous material
Assignee: Old Carco LLC
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Filing: 1970-03-09
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Granted: 1972-06-06
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Expires: 1990-03-09
Abstract
Abstract A REFRACTORY FIBROUS PRODUCT COMPOSED OF REFRACTORY FIBERS COATED WITH A LUBRICATING LAYER OF ALUMINUM METAHYDROXIDE WHEREBY THE COATED FIBERS FORM AN INJECTABLE AND EXTRUDABLE PASTE AND PROCESS FOR PRODUCING SAME.
Inventors
- 👤 Dwight Maxwell Teague
- 👤 William F Bertrand
- 👤 Philip J Willson
- 👤 Frank E Ammermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:45
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/005; C04B35/00; C04B35/01; C04B35/16; C04B35/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-06 | 1975-12-06 | 1976-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-06 | 1979-12-06 | 1980-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-06 | 1983-12-06 | 1984-06-06 | $7700.00 | Window Closed / Lapsed |