US5812937B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broadcast data system with multiple-tuner receiver
Assignee: Digital DJ Inc
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Filing: 1996-05-06
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Granted: 2000-09-19
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Expires: 2016-05-06
Abstract
No abstract record available.
Inventors
- 👤 Tsutomu Takahisa
- 👤 Koyo Hasegawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:23
CPC Classifications
H; H04; H04H; H04H20/00; H04H20/28; G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/13306; H04H20/12; H04H20/14; H04H2201/00; H04H2201/40; H04H60/00; H04H60/27; H04H60/29; H04H60/31; H04H60/35; H04H60/47; H04H60/68; H04H60/73; H04H60/74
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) | 2003-09-19 | 2004-03-20 | 2004-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-09-19 | 2008-03-20 | 2008-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-09-19 | 2012-03-20 | 2012-09-19 | $7700.00 | Window Closed / Lapsed |