US3500821A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple blood sampling apparatus with aspiration means
Assignee: Asper-Vac Corp
•
Filing: 1967-12-05
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Granted: 1970-03-17
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Expires: 1987-12-05
Abstract
No abstract record available.
Inventors
- 👤 Robert W Ogle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:54
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/15; A61B5/150007; A61B5/150015; A61B5/15003; A61B5/150206; A61B5/150221; A61B5/150351; A61B5/150374; A61B5/150381; A61B5/150389; A61B5/150473; A61B5/150496; A61B5/150534; A61B5/150572; A61B5/153; A61B5/155; A61B5/150259
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2460641A
Cited
FR950588A
Cited
DE1239880B
Cited
US3134380A
Cited
US3200486A
Cited
US3336924A
Cited
US3304934A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |