US1141266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Absorption and reaction tower for acids, &c.
Assignee: Individual
•
Filing: 1914-05-26
•
Granted: 1915-06-01
•
Expires: 1934-05-26
Abstract
No abstract record available.
Inventors
- 👤 Fritz Raschig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:51
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/02; B01J8/0278; Y; Y10; Y10S; Y10S159/00; Y10S159/15; Y10S159/19; Y10S159/29; Y10S261/00; Y10S261/72
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) | 1918-05-31 | 1918-11-30 | 1919-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-05-31 | 1922-11-30 | 1923-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-05-31 | 1926-11-30 | 1927-06-01 | $7700.00 | Window Closed / Lapsed |