US3572333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Obturator
Assignee: Becton Dickinson and Co
•
Filing: 1968-10-14
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Granted: 1971-03-23
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Expires: 1988-10-14
Abstract
Abstract A DISPOSABLE PLASTIC OBTURATOR WHICH IS ADAPTED TO OCCLUDE THE ENTIRE BORE OF A CATHETER. THE OBTURATOR INCLUDES AN ELONGATED STEM HAVING AN ENLARGED HEAD AT ONE END WHICH IS ENCAPSULATED IN A SURROUNDING HUB. THE STEM AND HUB ARE ASSEMBLED BY INITIALLY POSITIONING THE STEM HEAD AGAINST A SHOULDER IN THE BORE OF THE HUB, AND THEN DEFORMING AN ANNULAR LIP IN THE HUB BORE TO OVERLIE THE TOP OF THE STEM HEAD.
Inventors
- 👤 Franz H Hubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:57
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/0097; A61M25/0009; B; B29; B29C; B29C65/00; B29C65/02; B29C65/56; B29C65/565; B29C65/567; B29C65/568; B29C66/00; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/5344; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29C65/18; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/13; B29C66/131; B29C66/135; B29L; B29L2031/00; B29L2031/753; B29L2031/7544
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-22 | 1974-09-21 | 1975-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-22 | 1978-09-21 | 1979-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-22 | 1982-09-21 | 1983-03-23 | $7700.00 | Window Closed / Lapsed |