US934205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-scrubbing apparatus.
Assignee: Individual
•
Filing: 1908-01-17
•
Granted: 1909-09-14
•
Expires: 1928-01-17
Abstract
No abstract record available.
Inventors
- 👤 Joshua J Nix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:44
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/30; B01F25/31; B01F25/311; B01F25/3111; F; F24; F24F; F24F6/00; F24F6/12; Y; Y10; Y10S; Y10S261/00; Y10S261/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1912-09-13 | 1913-03-15 | 1913-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-09-13 | 1917-03-15 | 1917-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-09-13 | 1921-03-15 | 1921-09-14 | $7700.00 | Window Closed / Lapsed |