US2831483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable hypodermic syringe
Assignee: Individual
•
Filing: 1956-06-18
•
Granted: 1958-04-22
•
Expires: 1976-06-18
Abstract
No abstract record available.
Inventors
- 👤 Lorenzo Joseph P De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:16
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/28; A61M5/31; A61M2005/3103; A61M2005/3107; A61M2005/3109
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2744528A
Cited
US2724385A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |