US3429314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-venting drainage system for body fluids
Assignee: Kendall Co
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Filing: 1965-07-26
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Granted: 1969-02-25
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Expires: 1985-07-26
Abstract
No abstract record available.
Inventors
- 👤 Richard E Ericson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:26
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/0017; A61F; A61F5/00; A61F5/44; A61F5/441; A61M25/10; A61M25/1002; A61M5/00; A61M5/14; A61M5/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |