US3212498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxygenation-dialysis method
Assignee: Dilectrix Corp
•
Filing: 1962-07-11
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Granted: 1965-10-19
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Expires: 1982-07-11
Abstract
No abstract record available.
Inventors
- 👤 Robert W Mckirdy
- 👤 Torra Michael N La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:30
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/58; B01D61/24; B01D61/243; B01D61/244; B01D63/00; B01D63/08; B01D63/082; B01D63/0822; Y; Y10; Y10S; Y10S128/00; Y10S128/03; Y10S159/00; Y10S159/27
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2686154A
Cited
US2652831A
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US2880501A
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US3034505A
Cited
US3074401A
Cited
US3060934A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |