US2688325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston plug withdrawal limiting means for hypodermic syringe devices and the like
Assignee: Compule Corp
•
Filing: 1952-09-12
•
Granted: 1954-09-07
•
Expires: 1972-09-12
Abstract
No abstract record available.
Inventors
- 👤 Marshall L Lockhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:03
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/15; A61B5/150007; A61B5/150015; A61B5/15003; A61B5/150206; A61B5/150236; A61B5/150244; A61B5/150374; A61B5/150381; A61B5/150389; A61B5/150503; A61B5/150519; A61B5/153; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/315; A61M5/31511; A61B5/150259; A61B5/150267; A61B5/150274; A61B5/150297; A61M5/31501; A61M5/31505; A61M2005/31506; A61M5/31515
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1771219A
Cited
US2490552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-06 | 1958-03-08 | 1958-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-06 | 1962-03-08 | 1962-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-06 | 1966-03-08 | 1966-09-07 | $7700.00 | Window Closed / Lapsed |