US2357238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for treating blood
Assignee: Individual
•
Filing: 1943-11-18
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Granted: 1944-08-29
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Expires: 1963-11-18
Abstract
No abstract record available.
Inventors
- 👤 Averal T Trimble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:00
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/36; A61M1/3681; A61M60/00; A61M60/10; A61M60/104; A61M60/109; A61M60/30; A61M60/36; A61M60/40; A61M60/424; A61M60/438; A61M60/50; A61M60/508; A61M60/515; A61M60/562; A61M60/569; A61M60/80; A61M60/835; A61M60/837; A61M60/845; A61M60/851; A61M60/113; A61M60/855; A61M60/89; A61M60/892; A61M60/894
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) | 1947-08-29 | 1948-02-28 | 1948-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-08-29 | 1952-02-28 | 1952-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-08-29 | 1956-02-28 | 1956-08-29 | $7700.00 | Window Closed / Lapsed |