US5545241B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air cleaner
Assignee: Donaldson Co Inc
•
Filing: 1995-01-17
•
Granted: 1999-09-28
•
Expires: 2015-01-17
Abstract
No abstract record available.
Inventors
- 👤 Raymond Vanderauwera
- 👤 Paul Coulonvaux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:14
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/0002; B01D46/0005; B01D46/0004; B01D46/24; B01D46/2403; B01D46/2411; B01D2265/00; B01D2265/02; B01D2265/021; B01D2265/024; B01D2265/025
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) | 2002-09-27 | 2003-03-29 | 2003-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-09-27 | 2007-03-29 | 2007-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-09-27 | 2011-03-29 | 2011-09-28 | $7700.00 | Window Closed / Lapsed |