US3470876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dirigible catheter
Assignee: Individual
•
Filing: 1966-09-28
•
Granted: 1969-10-07
•
Expires: 1986-09-28
Abstract
No abstract record available.
Inventors
- 👤 John Barchilon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:54
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/0105; A61M25/0133; A61M25/0147; A61B; A61B1/00; A61B1/005; A61B1/0051; A61B1/0052; A61M25/0136; Y; Y10; Y10S; Y10S273/00; Y10S273/04; Y10S273/05; Y10S273/29
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB548462A
Cited
US2432869A
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US2453862A
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US2498692A
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US2836253A
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US2975785A
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US3058473A
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US3091235A
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US3183410A
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US3190286A
Cited
US3162214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |