Patent US5137685B1 successfully refreshed from Google Patents.
US5137685B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machinable copper alloys having reduced lead content
Assignee: GBC Metals LLC
•
Filing: 1991-03-01
•
Granted: 1995-09-26
•
Expires: 2011-03-01
Abstract
No abstract record available.
Inventors
- 👤 David D Mcdevitt
- 👤 Jacob Crane
- 👤 John F Breedis
- 👤 Ronald N Caron
- 👤 Frank N Mandigo
- 👤 Joseph Saleh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:18
CPC Classifications
C; C22; C22C; C22C9/00; C22C9/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1998-09-25 | 1999-03-27 | 1999-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-09-25 | 2003-03-27 | 2003-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-09-25 | 2007-03-27 | 2007-09-26 | $7700.00 | Window Closed / Lapsed |