US3547591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bubble film oxygenator
Assignee: JOSE C TORRES
•
Filing: 1968-10-16
•
Granted: 1970-12-15
•
Expires: 1988-10-16
Abstract
No abstract record available.
Inventors
- 👤 Jose C Torres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:32
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/14; A61M1/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2827901A
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US2847008A
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US2934067A
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US2937644A
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US3070092A
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US3026871A
Cited
US3142296A
Cited
US3291568A
Cited
US3493347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |