US3011960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of manufacturing graphite bodies and nuclear fuel materials comprising said graphite bodies
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1958-06-25
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Granted: 1961-12-05
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Expires: 1978-06-25
Abstract
No abstract record available.
Inventors
- 👤 Williams Jack
- 👤 Livey David Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:43
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/62; G21C3/64; C; C01; C01B; C01B32/00; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/528; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A METHOD OF MANUFACTURING A DENSE, HIGH PURITY, SYNTHETIC GRAPHITE BODY, WHICH COMPRISES THE STEPS OF GRINDING A HIGH PURITY SYNTHETIC GRAPHITE POWDER UNTIL SUBSTANTIALLY ALL THE PARTICLES OF SAID POWDER ARE LESS THAN 40 MICRONS IN DIAMETER AND AT LEAST 80% OF THE PARTICLES ARE LESS THAN 20 MICRONS IN DIAMETER, AND THEN COLD COMPACTING SAID POWDER AT A PRESSURE OF AT LEAST 20 TONS PER SQUARE INCH.
Claim 2
Independent Claim
69 words
A METHOD OF MANUFACTURING A DENSE, HIGH PURITY, SYNTHETIC GRAPHITE BODY, WHICH COMPRISES THE STEPS OF GRINDING A HIGH PURITY SYNTHETIC GRAPHITE POWDER UNTIL SUBSTANTIALLY ALL THE PARTICLES OF SAID POWDER ARE LESS THAN 40 MICRONS IN DIAMETER AND AT LEAST 80% OF THE PARTICLES ARE LESS THAN 20 MICRONS IN DIAMETER, AND THEN COLD COMPACTING SAID POWDER AT A PRESSURE OF AT LEAST 20 TONS PER SQUARE INCH.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |