US1988624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blood transfusion device
Assignee: Individual
•
Filing: 1933-08-08
•
Granted: 1935-01-22
•
Expires: 1953-08-08
Abstract
No abstract record available.
Inventors
- 👤 Ralph P Kipp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:38
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/08; F04B43/082; A; A61; A61M; A61M60/00; A61M60/10; A61M60/104; A61M60/109; A61M60/30; A61M60/39; A61M60/40; A61M60/424; A61M60/438; A61M60/441; A61M60/443; A61M60/446; A61M60/80; A61M60/835; A61M60/837; A61M60/845; A61M60/851; A61M60/853; A61M60/855; A61M60/89; A61M60/892
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) | 1938-01-21 | 1938-07-23 | 1939-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-01-21 | 1942-07-23 | 1943-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-01-21 | 1946-07-23 | 1947-01-22 | $7700.00 | Window Closed / Lapsed |