US1479271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for separating suspended particles from gases
Assignee: International Precipitation Co
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Filing: 1919-12-15
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Granted: 1924-01-01
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Expires: 1939-12-15
Abstract
No abstract record available.
Inventors
- 👤 Edson R Wolcott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:08
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/34; B03C3/74; B03C3/76; F; F23; F23J; F23J15/00; F23J15/02; F23J15/022; F23J15/025; F23J2217/00; F23J2217/10; F23J2217/102
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) | 1926-12-31 | 1927-07-02 | 1928-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-12-31 | 1931-07-02 | 1932-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-12-31 | 1935-07-02 | 1936-01-01 | $7700.00 | Window Closed / Lapsed |