US4844252B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-part disposable handle for hospital surgery room light fixture
Assignee: Devon Industries Inc
•
Filing: 1988-07-27
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Granted: 1993-03-16
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Expires: 2008-07-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:00
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/40; F21V21/403; A; A61; A61B; A61B90/00; A61B90/36; A61B90/30; A61B2090/308; A61B46/00; A61B46/10; F21W; F21W2131/00; F21W2131/20; F21W2131/205; Y; Y10; Y10S; Y10S16/00; Y10S16/906; Y10S362/00; Y10S362/804
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) | 1996-03-15 | 1996-09-14 | 1997-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-03-15 | 2000-09-14 | 2001-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-03-15 | 2004-09-14 | 2005-03-16 | $7700.00 | Window Closed / Lapsed |