Patent US3104159A successfully refreshed from Google Patents.
US3104159A
Expired / Lapsed
US
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Production of graphite
Assignee: The General Electric Company PLC
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Filing: 1959-11-17
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Granted: 1963-09-17
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Expires: 1979-11-17
Abstract
No abstract record available.
Inventors
- 👤 Davidson Hugh Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:39
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/522; C04B35/524; G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/06; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A PROCESS FOR THE PRODUCTION OF CARBON COMPRISING THE STEPS OF FORMING A DISPERSION OF FIBROUS CARBOHYDRATE MATERIAL CONSISTING OF CHAINS OF BASIC SIX-ATOM HEXAGONAL RINGS, OF WHICH ONE ATOM IS OXYGEN AND THE REMAINDER CARBON ATOMS RELATIVELY ORIENTATED AS IN THE PYRANOSE RING, SAID RINGS BEING LINKED IN CHAINS BY OXYGEN ATOMS, RE-
Claim 2
Dependent Claim
54 words
A PROCESS FOR THE PRODUCTION OF CARBON COMPRISING THE STEPS OF FORMING A DISPERSION OF FIBROUS CARBOHYDRATE MATERIAL CONSISTING OF CHAINS OF BASIC SIX-ATOM HEXAGONAL RINGS, OF WHICH ONE ATOM IS OXYGEN AND THE REMAINDER CARBON ATOMS RELATIVELY ORIENTATED AS IN THE PYRANOSE RING, SAID RINGS BEING LINKED IN CHAINS BY OXYGEN ATOMS, RE-
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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |