US2571331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for separating solid particles from gases
Assignee: LINDEROTHS PATENTER AB
•
Filing: 1948-09-11
•
Granted: 1951-10-16
•
Expires: 1968-09-11
Abstract
No abstract record available.
Inventors
- 👤 Blomen Torsten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:22
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/02; Y; Y10; Y10S; Y10S55/00; Y10S55/37
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE521682C
Cited
US940827A
Cited
US1107485A
Cited
US1175948A
Cited
GB191327280A
Cited
US1680243A
Cited
US1856685A
Cited
US2152115A
Cited
US2357734A
Cited
GB562345A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-15 | 1955-04-16 | 1955-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-15 | 1959-04-16 | 1959-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-15 | 1963-04-16 | 1963-10-16 | $7700.00 | Window Closed / Lapsed |