US3488401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sabatier oxygen regeneration system with useful by-product
Assignee: Boeing Co
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Filing: 1967-09-25
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Granted: 1970-01-06
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Expires: 1987-09-25
Abstract
No abstract record available.
Inventors
- 👤 Robert K Ames
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:29
CPC Classifications
C; C07; C07C; C07C11/00; C07C11/22; C07C11/24; C07C1/00; C07C1/02; C07C1/12; C25; C25B; C25B1/00; C25B1/01; C25B1/02; C25B1/04; C25B15/00; C25B15/08; C25B15/081; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/36; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/943; Y10S585/949; Y10S585/953
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) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |