US3107152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibrous graphite
Assignee: Union Carbide Corp
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Filing: 1960-09-12
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Granted: 1963-10-15
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Expires: 1980-09-12
Abstract
No abstract record available.
Inventors
- 👤 Curry E Ford
- 👤 Charles V Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:10
CPC Classifications
D; D01; D01F; D01F9/00; D01F9/08; D01F9/12; D01F9/14; D01F9/16; F; F24; F24D; F24D13/00; F24D13/02; H; H05; H05B; H05B3/00; H05B3/10; H05B3/12; H05B3/14; H05B3/145; H05B3/20; H05B3/34; H05B3/342; H05B2203/00; H05B2203/002; H05B2203/007; H05B2203/014; H05B2203/017; H05B2203/033; Y; Y02; Y02B; Y02B30/00; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/907; Y10S60/00; Y10S60/909
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
50 words
A POLYCRYSTALLINE GRAPHITIZED FIBROUS TEXTILE MATERIAL OF CELLULOSIC ORIGIN WHICH SUBSTANTIALLY RETAINS THE CHARACTERISITIC PHYSICAL TEXTILE ATTRIBUTES OF THE UNGRAPHITIZED CELLULOSIC MATERIAL AND WHICH IS FURTHER CHARACTER IZED BY HIGH TENSILE STRENGTH AND FLEXIBILITY AND WHICH POSSESSES THE PROPERTY OF BEING ABLE TO WITHSTAND REPEATED CREASING AND FOLDING WITHOUT FAILURE.
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) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |