US2490116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separator or collector
Assignee: AMERICAN BLOWER Corp
•
Filing: 1947-01-08
•
Granted: 1949-12-06
•
Expires: 1967-01-08
Abstract
No abstract record available.
Inventors
- 👤 Harry O Danz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:44
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/12; B01D45/16; B04; B04C; B04C3/00; B04C3/04; F; F23; F23J; F23J15/00; F23J15/02; F23J15/022; F23J15/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US598046A
Cited
US2188206A
Cited
US1338143A
Cited
US1724041A
Cited
US1695192A
Cited
US2182854A
Cited
US2323707A
Cited
US2360355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |