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Patent US3450558A successfully refreshed from Google Patents.
US3450558A
Expired / Lapsed
US
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Vapor plating beryllium
Assignee: United States Atomic Energy Commission
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Filing: 1965-02-01
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Granted: 1969-06-17
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Expires: 1985-02-01
Abstract
No abstract record available.
Inventors
- 👤 Thomas P Whaley
- 👤 James M Wood Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:09
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/06; C23C16/18; C23C16/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |