US3165447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear chain reactors
Assignee: Individual
•
Filing: 1961-05-05
•
Granted: 1965-01-12
•
Expires: 1981-05-05
Abstract
No abstract record available.
Inventors
- 👤 Richard M Stephenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:17
CPC Classifications
G; G21; G21C; G21C15/00; G21C15/02; G21C15/04; G21C1/00; G21C1/30; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2812304A
Cited
US2910416A
Cited
US2936277A
Cited
US2936273A
Cited
US3047486A
Cited
US2999060A
Cited
US3047483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-12 | 1968-07-13 | 1969-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-12 | 1972-07-13 | 1973-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-12 | 1976-07-13 | 1977-01-12 | $7700.00 | Window Closed / Lapsed |