Patent US2204547A successfully refreshed from Google Patents.
US2204547A
Expired / Lapsed
US
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Blood test tube
Assignee: Individual
•
Filing: 1939-11-03
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Granted: 1940-06-18
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Expires: 1959-11-03
Abstract
No abstract record available.
Inventors
- 👤 Virginia H Grier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:25
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/15; A61B5/150007; A61B5/150015; A61B5/15003; A61B5/150206; A61B5/150312; A61B5/15032; A61B5/150374; A61B5/150381; A61B5/150389; A61B5/150503; A61B5/150519; A61B5/150534; A61B5/15058; A61B5/150587; A61B5/153; A61B5/154
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) | 1943-06-18 | 1943-12-18 | 1944-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-06-18 | 1947-12-18 | 1948-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-06-18 | 1951-12-18 | 1952-06-18 | $7700.00 | Window Closed / Lapsed |