US3518162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor control element drive apparatus
Assignee: Combustion Engineering Inc
•
Filing: 1967-10-10
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Granted: 1970-06-30
•
Expires: 1987-10-10
Abstract
No abstract record available.
Inventors
- 👤 Harold V Lichtenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:59
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/06; G21C7/08; G21C7/12; G21C7/14; G21C7/20; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2682785A
Cited
US2985574A
Cited
US2855899A
Cited
GB860691A
Cited
GB886317A
Cited
US2975119A
Cited
US3139384A
Cited
US3257287A
Cited
FR1451407A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |