Patent US3407038A successfully refreshed from Google Patents.
US3407038A
Expired / Lapsed
US
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Shredded carbonaceous fiber compactions and method of making the same
Assignee: Union Carbide Corp
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Filing: 1962-07-09
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Granted: 1968-10-22
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Expires: 1982-07-09
Abstract
No abstract record available.
Inventors
- 👤 William C Beasley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:47
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/522; C04B35/56; C04B35/71; C04B35/78; C04B35/80; C04B35/83; D; D01; D01F; D01F11/00; D01F11/10; D01F11/12; D01F11/125; D01F11/14; D01F9/00; D01F9/08; D01F9/12; D01F9/14; D01F9/16; H; H01; H01B; H01B1/00; H01B1/04; C04B2235/00; C04B2235/65; C04B2235/656; C04B2235/6562; C04B2235/70; C04B2235/74; C04B2235/77; C04B2235/96; C04B2235/9607; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2918
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A UNIQUE COMPACTED CARBONACEOUS ARTICLE WHICH HAS BEEN MANUFACTURD BY SHAPING UNDER PRESSURE A MASS OF RANDOMLY ORIENTED SHREDDED FIBERS OF A CARBONACEOUS WOVEN TEXTILE MATERIAL AND A CARBONIZABLE BONDING AGENT SELECTED FROM THE GROUP CONSISTING OF THERMOSETTING RESINS, PITCHES AND MIXTURES THEREOF, AND SUBSEQUENTLY CARBONIZING SAID BONDING AGENT.
Claim 2
Dependent Claim
49 words
A UNIQUE COMPACTED CARBONACEOUS ARTICLE WHICH HAS BEEN MANUFACTURD BY SHAPING UNDER PRESSURE A MASS OF RANDOMLY ORIENTED SHREDDED FIBERS OF A CARBONACEOUS WOVEN TEXTILE MATERIAL AND A CARBONIZABLE BONDING AGENT SELECTED FROM THE GROUP CONSISTING OF THERMOSETTING RESINS, PITCHES AND MIXTURES THEREOF, AND SUBSEQUENTLY CARBONIZING SAID BONDING AGENT.
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) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |