US2997043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective cannula sheath
Assignee: Becton Dickinson and Co
•
Filing: 1954-08-17
•
Granted: 1961-08-22
•
Expires: 1974-08-17
Abstract
No abstract record available.
Inventors
- 👤 Vincent J Flynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:52
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/162; A61M5/1626
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US881011A
Cited
US1949121A
Cited
US1973883A
Cited
US2108418A
Cited
US1955175A
Cited
US2689564A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |