US5035730B1
Expired / Lapsed
US
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US5035730B1 - - Google Patents
Assignee: Sumitomo Light Metal Industries Ltd
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Filing: 1990-06-19
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Granted: 1994-03-08
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Expires: 2010-06-19
Abstract
No abstract record available.
Inventors
- 👤 Kisaragi Takayasu
- 👤 Shirasaka Yuichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:55
CPC Classifications
B; B01; B01D; B01D50/00; B01D45/00; B01D45/12; B01D45/16; B01D5/00; B01D5/0003; B01D5/0015
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) | 1997-03-07 | 1997-09-06 | 1998-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-03-07 | 2001-09-06 | 2002-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-03-07 | 2005-09-06 | 2006-03-08 | $7700.00 | Window Closed / Lapsed |