US4305091B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronics noise reducing apparatus and method
Assignee: Technology Licensing Corp
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Filing: 1979-04-16
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Granted: 1998-02-10
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Expires: 1999-04-16
Abstract
No abstract record available.
Inventors
- 👤 J Carl Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:26
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/14; H04N5/21; H04B; H04B1/00; H04B1/06; H04B1/10; H04B15/00; H04N9/00; H04N9/64; H04N9/646
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) | 2001-02-09 | 2001-08-11 | 2002-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-02-09 | 2005-08-11 | 2006-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-02-09 | 2009-08-11 | 2010-02-10 | $7700.00 | Window Closed / Lapsed |