Patent US4955798B1 successfully refreshed from Google Patents.
US4955798B1
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Process for pretreating metal powder in preparation for compacting operations
Assignee: Quebec Metal Powders Ltd
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Filing: 1989-09-27
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Granted: 1999-03-30
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Expires: 2009-09-27
Abstract
No abstract record available.
Inventors
- 👤 Vincenzo Musella
- 👤 Angelo Mario D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:02
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/622; C04B35/626; C04B35/63; C04B35/632; C04B35/6325; B; B22; B22F; B22F1/00; B22F1/10; B22F3/00; B22F3/02; B22F2003/023; B22F3/12; B22F3/14; B22F2003/145
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) | 2002-03-29 | 2002-09-28 | 2003-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-03-29 | 2006-09-28 | 2007-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-03-29 | 2010-09-28 | 2011-03-30 | $7700.00 | Window Closed / Lapsed |