US3486974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor control rod gripping apparatus
Assignee: Combustion Engineering Inc
•
Filing: 1967-10-10
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Granted: 1969-12-30
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Expires: 1987-10-10
Abstract
No abstract record available.
Inventors
- 👤 Louis A Bertone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:27
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/06; G21C7/08; G21C7/12; G21C19/00; G21C19/02; G21C19/10; G21C19/11; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S294/00; Y10S294/906; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/1967
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2252767A
Cited
US2792251A
Cited
US2894779A
Cited
US3107209A
Cited
US3079323A
Cited
US3321373A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |