US3417750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aspirating means and one-way valve
Assignee: CR Bard Inc
•
Filing: 1965-10-22
•
Granted: 1968-12-24
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Carson Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:14
CPC Classifications
A; A61; A61M; A61M39/00; A61M39/22; A61M39/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US493208A
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US2969066A
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US2989052A
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US3116734A
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US3109429A
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US3191600A
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US3312221A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |