Patent US2854739A successfully refreshed from Google Patents.
US2854739A
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Multiple coated molybdenum base article
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1954-07-29
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Granted: 1958-10-07
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Expires: 1974-07-29
Abstract
No abstract record available.
Inventors
- 👤 Kenneth M Bartlett
- 👤 Percy P Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:24
CPC Classifications
C; C23; C23C; C23C28/00; C23C28/02; C23C28/023; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12812; Y10T428/12826; Y10T428/12847; Y10T428/12854
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1700173A
Cited
US2063325A
Cited
US2387903A
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US2520373A
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US2682101A
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US2581252A
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US2690409A
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US2771666A
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US2763919A
Cited
US2697130A
Cited
US2763920A
Cited
US2685124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |