Patent US2453591A successfully refreshed from Google Patents.
US2453591A
Expired / Lapsed
US
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Hypodermic syringe
Assignee: Individual
•
Filing: 1946-11-04
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Granted: 1948-11-09
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Expires: 1966-11-04
Abstract
No abstract record available.
Inventors
- 👤 Noel J Poux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:56
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/24; A61M2005/2403; A61M2005/2407; A61M5/2455; A61M5/2466; A61M2005/247; Y; Y10; Y10S; Y10S604/00; Y10S604/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US743743A
Cited
US1718592A
Cited
US1704678A
Cited
US1734154A
Cited
US1929247A
Cited
FR776968A
Cited
US2408323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-09 | 1952-05-10 | 1952-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-09 | 1956-05-10 | 1956-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-09 | 1960-05-10 | 1960-11-09 | $7700.00 | Window Closed / Lapsed |