US3464801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic system for inert gas generation
Assignee: Tenex Corp
•
Filing: 1964-09-28
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Granted: 1969-09-02
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Expires: 1984-09-28
Abstract
No abstract record available.
Inventors
- 👤 William F Barstow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:21
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/02; F01N3/0205; C; C01; C01B; C01B21/00; C01B21/02; F01N13/00; F01N13/009; F01N3/005; F01N3/08; F01N3/10; F01N3/18; F01N3/20; F01N5/00; F01N5/04; F01N9/00; F01N2240/00; F01N2240/02; F01N2290/00; F01N2290/02; F01N2290/04; F01N2430/00; F01N2430/06; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y02T10/40
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) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |