US4841988B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4841988B1 - - Google Patents
Assignee: LABTHERMICS TECHNOLOGIES Inc
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Filing: 1987-10-15
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Granted: 1990-08-14
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Expires: 2007-10-15
Abstract
No abstract record available.
Inventors
- 👤 W Fetter Richard
- 👤 D Gadsby Peter
- 👤 L Kabachinski Jeffery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:57
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/18; A61B18/1815
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) | 1993-08-13 | 1994-02-12 | 1994-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-08-13 | 1998-02-12 | 1998-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-08-13 | 2002-02-12 | 2002-08-14 | $7700.00 | Window Closed / Lapsed |