Patent US3525339A successfully refreshed from Google Patents.
US3525339A
Expired / Lapsed
US
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Flexible gas endarterectomy spatula
Assignee: Becton Dickinson and Co
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Filing: 1968-05-20
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Granted: 1970-08-25
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Expires: 1988-05-20
Abstract
No abstract record available.
Inventors
- 👤 Janes C Halligan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:11
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/22; A61B17/32; A61B17/3205; A61B17/3207; A61B2017/320741; A61B90/00; A61B90/08; A61B2090/0817
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) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |