US3459504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Formation of carbide compounds by vapor deposition on graphite bodies
Assignee: Texas Instruments Inc
•
Filing: 1966-10-21
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Granted: 1969-08-05
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Expires: 1986-10-21
Abstract
No abstract record available.
Inventors
- 👤 Ronald C Bracken
- 👤 Ralph F Stroup
- 👤 Gene F Wakefield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:15
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C01; C01B; C01B32/00; C01B32/90; C04B41/45; C04B41/50; C04B41/5053; C04B41/5057; C04B41/5059; C04B41/80; C04B41/81; C04B41/85; C04B41/87; Y; Y10; Y10T; Y10T428/00; Y10T428/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA636472A
Cited
US1018502A
Cited
GB397372A
Cited
US3253886A
Cited
US3205042A
Cited
US3269802A
Cited
US3346678A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |