US2952255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlled dosage syringe
Assignee: Becton Dickinson and Co
•
Filing: 1956-11-23
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Granted: 1960-09-13
•
Expires: 1976-11-23
Abstract
No abstract record available.
Inventors
- 👤 Jr George N Hein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:43
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/315; A61M5/31533; A61M5/31545; A61M5/31548; A61M5/31555; A61M2005/3114; A61M2005/3115; A61M5/20; A61M5/204; A61M5/31563; A61M5/31565; A61M5/3159; A61M5/31591
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) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |