US2625383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas scrubber
Assignee: Fluor Corp
•
Filing: 1951-05-21
•
Granted: 1953-01-13
•
Expires: 1971-05-21
Abstract
No abstract record available.
Inventors
- 👤 Raymond C Baird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:07
CPC Classifications
B; B01; B01D; B01D47/00; B01D47/02; B01D47/021; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/3118
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) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |