US4937254B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4937254B1 - - Google Patents
Assignee: EHITHCON Inc A CORP OF NEW JERSEY
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Filing: 1988-01-26
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Granted: 1992-08-11
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Expires: 2008-01-26
Abstract
No abstract record available.
Inventors
- 👤 D Sheffield Warren
- 👤 B Johns Douglas
- 👤 W Shalaby Shalaby
- 👤 S Dizerega Gere
- 👤 L Richer Leroy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:57
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/10; A61K9/127; A61K31/00; A61K31/185; A61K31/19; A61K31/33; A61K31/38; A61K31/395; A61K31/40; A61K9/14; A61K9/16; A61K9/1605; A61K9/1629; A61K9/1641; A61K9/1647
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) | 1995-08-11 | 1996-02-10 | 1996-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-08-11 | 2000-02-10 | 2000-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-08-11 | 2004-02-10 | 2004-08-11 | $7700.00 | Window Closed / Lapsed |