Patent US4254485A successfully refreshed from Google Patents.
Patent US3474786A successfully refreshed from Google Patents.
US3474786A
Expired / Lapsed
US
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Catheter adapted for fluid connection prior to insertion
Assignee: Individual
•
Filing: 1968-12-04
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Granted: 1969-10-28
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Expires: 1988-12-04
Abstract
No abstract record available.
Inventors
- 👤 Richard G Spademan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:43
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/0105; A61M25/0111; Y; Y10; Y10S; Y10S604/00; Y10S604/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR1092011A
Cited
US2829644A
Cited
US2937643A
Cited
DE1087323B
Cited
US3055361A
Cited
US3185152A
Cited
US3335723A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |