US3438848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molded graphite bodies and process for making the same
Assignee: Individual
•
Filing: 1965-02-09
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Granted: 1969-04-15
•
Expires: 1985-02-09
Abstract
No abstract record available.
Inventors
- 👤 Herbert Greiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:46
CPC Classifications
G; G21; G21C; G21C5/00; G21C5/12; G21C5/126; C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/528; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90; Y10T; Y10T428/00; Y10T428/29
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
65 words
LARGE, COMPACT, BINDER-FREE AND SUBSTANTIALLY PORE-, CRACK-, AND FISSURE-FREE MOLDED GRAPHITE BODY HAVING A BULK DENSITY OF AT LEAST 2.1 G./CU. CM. AND CONSISTING OF PARALLEL ORIENTED, CRYSTALLINE GRAPHITE FLAKES OF A PURITY OF AT LEAST ABOUT 99.9% OF CARBON, SAID GRAPHITE FLAKESS BEING WEDGED INTO EACH OTHER AND WEDGED TOGETHER, SAID MOLDED BODY BEING USEFUL AS MODERATOR AND REFLECTOR MASS IN A NUCLEAR REACTOR.
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) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |