Patent US20050004583A1 successfully refreshed from Google Patents.
US3488158A
Expired / Lapsed
US
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Bubbler assembly for oxygenator
Assignee: American Hospital Supply Corp
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Filing: 1966-12-12
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Granted: 1970-01-06
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Expires: 1986-12-12
Abstract
No abstract record available.
Inventors
- 👤 Donald J Bentley
- 👤 Richard A De Wall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:20
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/14; A61M1/32; A61M1/322; A61M1/325; A61M1/36; A61M1/3621; A61M1/3623
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) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |