US3054553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic blower apparatus
Assignee: Research Cottrell Inc
•
Filing: 1959-08-11
•
Granted: 1962-09-18
•
Expires: 1979-08-11
Abstract
No abstract record available.
Inventors
- 👤 Harry J White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:00
CPC Classifications
F; F24; F24F; F24F7/00; F24F7/04; F24F7/06; F24F7/065; F04; F04F; F04F7/00; Y; Y10; Y10S; Y10S55/00; Y10S55/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB262829A
Cited
US2182751A
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US2279586A
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US2525347A
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US2460175A
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US2636664A
Cited
US2765975A
Cited
US2791371A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |