US2686451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Braided silica elements and process of producing the same
Assignee: Continental Wire Corp
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Filing: 1953-06-23
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Granted: 1954-08-17
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Expires: 1973-06-23
Abstract
No abstract record available.
Inventors
- 👤 James C Shafer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:23
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/18; F16J15/20; F16J15/22; D; D04; D04C; D04C1/00; D04C1/02; D04C3/00; D04C3/48
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
77 words
A NEW ARTICLE OF MANUFACTURE COMPRISING A CONTINUOUS LENGTH OF CIRCULAR BRAID FORMED FROM A PLURALITY OF SUBSTANTIALLY PURE SILICA THREADS CHARACTERIZED BY LOW TENSILE STRENGTH, LOW ABRASIVE STRENGTH AND HIGH HEAT RESISTANCE, AND A RESINOUS PROTECTIVE COATING ON SAID BRAID WHICH IS CAPABLE OF BEING SUBLIMATED IN THE PRESENCE OF HIGH TEMPERATURES IN THE NATURE OF FROM ABOUT 250* TO 300* F., SAID BRAID BEING CHARACTERIZED BY THE RELATIVELY TAUT CONDITION OF THE INDIVIDUAL THREADS THEREIN.
References Cited (Backward Citations)
US2667684A
Cited
US2667804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-16 | 1958-02-15 | 1958-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-16 | 1962-02-15 | 1962-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-16 | 1966-02-15 | 1966-08-17 | $7700.00 | Window Closed / Lapsed |