US2849078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for separating entrained particles from gases
Assignee: Olin Corp
•
Filing: 1955-09-09
•
Granted: 1958-08-26
•
Expires: 1975-09-09
Abstract
No abstract record available.
Inventors
- 👤 Walter J Sakowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:44
CPC Classifications
B; B04; B04B; B04B5/00; B04B5/04; Y; Y10; Y10S; Y10S494/00; Y10S494/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US165785A
Cited
US1101548A
Cited
GB190119826A
Cited
US1004760A
Cited
FR645564A
Cited
FR711371A
Cited
DE698319C
Cited
US2364279A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |