Patent US5062874B1 successfully refreshed from Google Patents.
US5062874B1
Expired / Lapsed
US
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Filter sealing apparatus
Assignee: Her Majesty Queen Represented By Minister Of National Defence Of Her Majesty's Canadian Government Canada AS
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Filing: 1990-06-05
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Granted: 1998-07-28
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Expires: 2010-06-05
Abstract
No abstract record available.
Inventors
- 👤 Pierre Legare
- 👤 David W Pike
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:24
CPC Classifications
A; A62; A62B; A62B19/00; Y; Y10; Y10S; Y10S277/00; Y10S277/918
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) | 2001-07-27 | 2002-01-26 | 2002-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-07-27 | 2006-01-26 | 2006-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-07-27 | 2010-01-26 | 2010-07-28 | $7700.00 | Window Closed / Lapsed |