Patent US4589549B1 successfully refreshed from Google Patents.
US4589549B1
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Audio cassette package
Assignee: ALPHA ENTERPRISES Inc PO BOX 8701 CANTON 44711
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Filing: 1984-03-19
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Granted: 1994-07-12
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Expires: 2004-03-19
Abstract
No abstract record available.
Inventors
- 👤 Bruce A Hehn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:39
CPC Classifications
E; E05; E05B; E05B73/00; E05B73/0017; E05B73/0023; G; G11; G11B; G11B23/00; G11B23/02; G11B23/023; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5009; Y10T70/5031; Y10T70/70; Y10T70/7441; Y10T70/778; Y10T70/7791; Y10T70/7836; Y10T70/7876
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) | 1997-07-11 | 1998-01-10 | 1998-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-07-11 | 2002-01-10 | 2002-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-07-11 | 2006-01-10 | 2006-07-12 | $7700.00 | Window Closed / Lapsed |