US3458341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal boride-metal carbide-graphite deposition
Assignee: General Electric Co
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Filing: 1964-08-10
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Granted: 1969-07-29
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Expires: 1984-08-10
Abstract
No abstract record available.
Inventors
- 👤 Russell J Diefendorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:07
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/22; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/522; C04B35/56; C04B35/58; C04B35/5805; C04B41/00; C04B41/009; C04B41/45; C04B41/50; C04B41/5053; C04B41/80; C04B41/81; C04B41/85; C04B41/87; C22; C22C; C22C47/00; Y; Y10; Y10T; Y10T428/00; Y10T428/30
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) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |