Patent US2073428A successfully refreshed from Google Patents.
Patent US3416531A successfully refreshed from Google Patents.
US3416531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catheter
Assignee: Individual
•
Filing: 1964-01-02
•
Granted: 1968-12-17
•
Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Edwards Miles Lowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:49
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/09; A61M25/09041; A61M25/0105; A61M25/0108; A61M2025/09175; A61M25/0009; A61M25/0012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1011090A
Cited
US1977209A
Cited
US2788804A
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US2688329A
Cited
US2810424A
Cited
US3010357A
Cited
US2893395A
Cited
US2961675A
Cited
US3058473A
Cited
US3093160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |