US2554352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable syringe
Assignee: Bayer Corp
•
Filing: 1949-06-17
•
Granted: 1951-05-22
•
Expires: 1969-06-17
Abstract
No abstract record available.
Inventors
- 👤 Walter E Ward
- 👤 Fred A Cutter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:03
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/20; A61M5/2053; A61M5/24; A61M2005/2403; A61M2005/2407; A61M5/31; A61M2005/3117; A61M2005/3121; A61M5/3148
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1315885A
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USRE19219E
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US730557A
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GB190303934A
Cited
US743743A
Cited
US921130A
Cited
GB191413142A
Cited
US1288174A
Cited
US1495924A
Cited
US1817003A
Cited
US2490447A
Cited
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 |