US4642285B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4642285B1 - - Google Patents
Assignee: Diamedix Corp
•
Filing: 1984-05-02
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Granted: 1990-04-17
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Expires: 2004-05-02
Abstract
No abstract record available.
Inventors
- 👤 P Halbert Seymour
- 👤 Anken N Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:34
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/53; G01N33/576; Y; Y10; Y10S; Y10S435/00; Y10S435/805; Y10S435/81; Y10S436/00; Y10S436/811; Y10S436/82
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) | 1993-04-16 | 1993-10-16 | 1994-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-04-16 | 1997-10-16 | 1998-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-04-16 | 2001-10-16 | 2002-04-17 | $7700.00 | Window Closed / Lapsed |