US4134402B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4134402B1 - - Google Patents
Assignee: —
•
Filing: 1977-07-05
•
Granted: 1989-07-25
•
Expires: 1997-07-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:24
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/158; A61M5/1582; A61M25/00; A61M25/0021; A61M25/0023; A61M25/0026; A61M25/003; A61M2025/0031; A61M2025/0037
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) | 1992-07-24 | 1993-01-23 | 1993-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-24 | 1997-01-23 | 1997-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-24 | 2001-01-23 | 2001-07-25 | $7700.00 | Window Closed / Lapsed |