US2639709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blood extracting device
Assignee: Individual
•
Filing: 1950-11-09
•
Granted: 1953-05-26
•
Expires: 1970-11-09
Abstract
No abstract record available.
Inventors
- 👤 Robert H Volgenau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:31
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/15; A61B5/150007; A61B5/150015; A61B5/15003; A61B5/150206; A61B5/150213; A61B5/150221; A61B5/150259; A61B5/150312; A61B5/150328; A61B5/150374; A61B5/150381; A61B5/150389; A61B5/150473; A61B5/153; A61B5/150351; A61B5/151; A61B5/15101; A61B5/15103; A61B5/15107; A61B5/15113; A61B5/15115; A61B5/15117; A61B5/1535
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) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |