US2625240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for separating suspended particles from gases
Assignee: THERMIX CORP
•
Filing: 1950-10-17
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Granted: 1953-01-13
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Expires: 1970-10-17
Abstract
No abstract record available.
Inventors
- 👤 Charles B Mcbride
- 👤 Philip F Best
- 👤 Jr Sidney R Orem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:37
CPC Classifications
A; A21; A21C; A21C5/00; A21C5/08; B; B04; B04C; B04C5/00; B04C5/02; B04C5/06; B04C5/22; B04C5/24; B04C5/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US828189A
Cited
GB191314004A
Cited
US1399441A
Cited
GB402075A
Cited
US2433774A
Cited
US2438827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |