US2547099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection device and ampoule
Assignee: Becton Dickinson and Co
•
Filing: 1948-03-11
•
Granted: 1951-04-03
•
Expires: 1968-03-11
Abstract
No abstract record available.
Inventors
- 👤 John H Smoot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:14
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/30; A61M5/20; A61M5/2053
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2323159A
Cited
US2322244A
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US2338102A
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US2390246A
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US2380534A
Cited
US2322245A
Cited
US2398544A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |