Patent US2594970A successfully refreshed from Google Patents.
US2594970A
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Viewing device for radioactive materials
Assignee: United States Atomic Energy Commission
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Filing: 1946-12-31
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Granted: 1952-04-29
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Expires: 1966-12-31
Abstract
No abstract record available.
Inventors
- 👤 George S Monk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:12
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/24; G02B23/2476; G02B23/2492; G21; G21C; G21C17/00; G21C17/06; G21F; G21F7/00; G21F7/02; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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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) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |