US3429691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasma reduction of titanium dioxide
Assignee: Aerojet Rocketdyne Inc
•
Filing: 1966-08-19
•
Granted: 1969-02-25
•
Expires: 1986-08-19
Abstract
No abstract record available.
Inventors
- 👤 William J Mclaughlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:27
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1263; C22B34/1286; C22B4/00; C22B4/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3123464A
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US3232746A
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US3226223A
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US3004137A
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US3257196A
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US3136622A
Cited
US3230073A
Cited
US3149222A
Cited
US3279912A
Cited
US3286012A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |