Patent US3090103A successfully refreshed from Google Patents.
US3090103A
Expired / Lapsed
US
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Heat resistant fibrous products containing ceramic fibers and method of making the same
Assignee: Unifrax I LLC
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Filing: 1957-10-24
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Granted: 1963-05-21
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Expires: 1977-10-24
Abstract
No abstract record available.
Inventors
- 👤 William P Crawley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:19
CPC Classifications
C; C04; C04B; C04B30/00; C04B30/02; D; D04; D04H; D04H1/00; D04H1/40; D04H1/42; D04H1/4209; D04H1/4382; D04H1/43835; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91; Y10; Y10S; Y10S57/00; Y10S57/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A BLENDED, FIBROUS PRODUCT CHARACTERIZED BY A HIGH DEGREE OF STRENGTH RETENTION AT TEMPERATURES BETWEEN 1000* F. AND 2000* F. AND CONSISTING ESSENTIALLY OF AN INTIMATE CARDED MIXTURE OF STAPLE, INORGANIC, SILICENOUS,
Claim 2
Dependent Claim
32 words
A BLENDED, FIBROUS PRODUCT CHARACTERIZED BY A HIGH DEGREE OF STRENGTH RETENTION AT TEMPERATURES BETWEEN 1000* F. AND 2000* F. AND CONSISTING ESSENTIALLY OF AN INTIMATE CARDED MIXTURE OF STAPLE, INORGANIC, SILICENOUS,
References Cited (Backward Citations)
CA540018A
Cited
US451115A
Cited
US1486800A
Cited
US2132702A
Cited
US2266907A
Cited
US2306781A
Cited
US2401389A
Cited
US2467889A
Cited
US2424743A
Cited
US2626213A
Cited
US2557834A
Cited
US2643437A
Cited
GB764417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |