US2645223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection device
Assignee: Becton Dickinson and Co
•
Filing: 1951-02-17
•
Granted: 1953-07-14
•
Expires: 1971-02-17
Abstract
No abstract record available.
Inventors
- 👤 Errol R Lawshe
- 👤 John H Smoot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:35
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/30; A61M5/20; A61M5/2053; A61M5/24; A61M5/2422; A61M5/2429
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1054037A
Cited
US1211304A
Cited
US2017276A
Cited
US2153594A
Cited
US2388026A
Cited
US2322245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |