US2865619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for scrubbing gases
Assignee: Bayer AG
•
Filing: 1955-10-25
•
Granted: 1958-12-23
•
Expires: 1975-10-25
Abstract
No abstract record available.
Inventors
- 👤 Haltmeier Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:10
CPC Classifications
B; B01; B01D; B01D47/00; B01D47/06; B01F; B01F25/00; B01F25/20; B01F25/25; B01F23/00; B01F23/20; B01F23/23; B01F23/234; B01F23/2341; B01F23/23413
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2088691A
Cited
GB700336A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |