Patent US4354492B1 successfully refreshed from Google Patents.
US4354492B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4354492B1 - - Google Patents
Assignee: Kendall Mcgraw Laboratories Inc
•
Filing: 1980-12-12
•
Granted: 1985-09-10
•
Expires: 2000-12-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:12
CPC Classifications
A; A61; A61M; A61M39/00; A61M39/22; A61M39/24; A61M5/00; A61M5/36; A61M5/40; F; F16; F16K; F16K15/00; F16K15/02; F16K15/021; F16K15/023; A61M2039/242; A61M2039/2433; A61M2039/2446; A61M2039/2453; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1988-09-09 | 1989-03-11 | 1989-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-09-09 | 1993-03-11 | 1993-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-09-09 | 1997-03-11 | 1997-09-10 | $7700.00 | Window Closed / Lapsed |