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Patent US3383439A successfully refreshed from Google Patents.
US3383439A
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Process for making graphite
Assignee: United States Atomic Energy Commission
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Filing: 1965-03-18
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Granted: 1968-05-14
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Expires: 1985-03-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Geoffrey R Tully
- 👤 Alan S Schwartz
- 👤 Bailey Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:51
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/528; C04B35/532; C01; C01B; C01B32/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2529041A
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US2640787A
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US3246056A
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US3249964A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |