US2626930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemically active graphitic carbon powder
Assignee: General Electric Co
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Filing: 1949-06-30
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Granted: 1953-01-27
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Expires: 1969-06-30
Abstract
No abstract record available.
Inventors
- 👤 Robert H Savage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:24
CPC Classifications
C; C01; C01B; C01B32/00; C01B32/30; C01B32/312; C01B32/336
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
AN ADSORBING AGENT CONSISTING OF COMMINUTED GRAPHITE PRODUCED BY ABRADING GRAPHITE IN AN ENVIROMENT SELECTED FROM THE GROUP CONSISTING OF VACUUM, HELIUM, NEON, ARGON, KRYPTON, AND XENON.
Claim 2
Dependent Claim
27 words
AN ADSORBING AGENT CONSISTING OF COMMINUTED GRAPHITE PRODUCED BY ABRADING GRAPHITE IN AN ENVIROMENT SELECTED FROM THE GROUP CONSISTING OF VACUUM, HELIUM, NEON, ARGON, KRYPTON, AND XENON.
References Cited (Backward Citations)
US1782493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-27 | 1956-07-28 | 1957-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-27 | 1960-07-28 | 1961-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-27 | 1964-07-28 | 1965-01-27 | $7700.00 | Window Closed / Lapsed |