US4066855B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vented membrane-type touch panel
Assignee: ST. CLAIR INTELLECTUAL PROPERTY CONSULTANTS, INC. A CORP. OF MI
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Filing: 1976-11-22
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Granted: 1997-05-13
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Expires: 1996-11-22
Abstract
No abstract record available.
Inventors
- 👤 George E Zenk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:06
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/70; H01H13/702; H01H13/82; H01H2213/00; H01H2213/002
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) | 2000-05-12 | 2000-11-11 | 2001-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-05-12 | 2004-11-11 | 2005-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-05-12 | 2008-11-11 | 2009-05-13 | $7700.00 | Window Closed / Lapsed |