US2479882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radioactive metal products and method for manufacturing
Assignee: United States Radium Corp
•
Filing: 1946-03-14
•
Granted: 1949-08-23
•
Expires: 1966-03-14
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Wallhausen
- 👤 Harry H Dooley
- 👤 Clayton C Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:33
CPC Classifications
H; H05; H05F; H05F3/00; H05F3/06; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2048490A
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US2264683A
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US2266738A
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US2300923A
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US2326631A
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US2405026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-22 | 1953-02-21 | 1953-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-22 | 1957-02-21 | 1957-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-22 | 1961-02-21 | 1961-08-23 | $7700.00 | Window Closed / Lapsed |