US3434869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foley catheter with silicone rubber coating
Assignee: Dow Silicones Corp
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Filing: 1964-11-02
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Granted: 1969-03-25
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Expires: 1984-11-02
Abstract
No abstract record available.
Inventors
- 👤 James B Davidson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:20
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/0017; A61L; A61L29/00; A61L29/04; A61L29/06; A61L29/08; A61L29/085; A61M25/0009; A61M25/0043; A61M25/0045; A61M2025/0046; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663
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) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |