US3367812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing carbonized articles
Assignee: Union Carbide Corp
•
Filing: 1962-11-14
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Granted: 1968-02-06
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Expires: 1982-11-14
Abstract
No abstract record available.
Inventors
- 👤 Willie H Watts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:07
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/71; C04B35/78; C04B35/80; C04B35/83; D; D01; D01F; D01F9/00; D01F9/08; D01F9/12; D01F9/14; D01F9/16; Y; Y10; Y10S; Y10S428/00; Y10S428/91; Y10T; Y10T428/00; Y10T428/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A PROCESS FOR MANUFACTURING A FORMED CARBONACEOUS ARTICLE WHICH COMPRISES DISPOSING PARALLEL ORIENTED CARBONACEOUS FIBERS OF CELLLOSIC ORIGIN HAIVNG A VOLATILE CONTENT OF BETWEEN 45 AND 70 PERCENT BY WEIGHT IN A PRESELECTED PATTERN AND SUBSEQUENTLY SUBJECTING SAID ARTICLE
Claim 2
Dependent Claim
39 words
A PROCESS FOR MANUFACTURING A FORMED CARBONACEOUS ARTICLE WHICH COMPRISES DISPOSING PARALLEL ORIENTED CARBONACEOUS FIBERS OF CELLLOSIC ORIGIN HAIVNG A VOLATILE CONTENT OF BETWEEN 45 AND 70 PERCENT BY WEIGHT IN A PRESELECTED PATTERN AND SUBSEQUENTLY SUBJECTING SAID ARTICLE
References Cited (Backward Citations)
US1370728A
Cited
US2343972A
Cited
US2471631A
Cited
US2744043A
Cited
US2962386A
Cited
US3032461A
Cited
US3011981A
Cited
US3113897A
Cited
US3238054A
Cited
US3053775A
Cited
US3084394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |