US2554451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hypodermic syringe
Assignee: Individual
•
Filing: 1946-09-16
•
Granted: 1951-05-22
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Expires: 1966-09-16
Abstract
No abstract record available.
Inventors
- 👤 Aaron W Barry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:36
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/315; A61M5/31511; A61M5/31513; A61M5/24; A61M5/2422; A61M5/2429; A61M5/31525; A61M5/31533; A61M5/31545; A61M5/31548; A61M5/31555; A61M5/3156; A61M5/31565; A61M5/3159; A61M5/31591; A61M5/32; A61M5/34; A61M5/3205; A61M2005/3206; A61M5/31576; A61M5/31578; A61M5/3158; A61M5/31593; A61M5/31595
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) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |