Patent US3312220A successfully refreshed from Google Patents.
US3312220A
Expired / Lapsed
US
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Disposable indwelling plastic cannula assembly
Assignee: Individual
•
Filing: 1963-04-02
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Granted: 1967-04-04
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Expires: 1983-04-02
Abstract
No abstract record available.
Inventors
- 👤 Eisenberg Myron Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:46
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/0067; A61M25/0068; A61M25/007; A61B; A61B17/00; A61B17/34; A61B17/3415; A61M25/01; A61M25/06; A61M25/0606
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2389355A
Cited
US2770236A
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FR1142769A
Cited
US3204634A
Cited
US3064653A
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US3097646A
Cited
US3082769A
Cited
US3094122A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |