US2490552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination disposable syringe unit
Assignee: Individual
•
Filing: 1947-09-20
•
Granted: 1949-12-06
•
Expires: 1967-09-20
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:12
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/28; A61M5/284; A61M5/285; A61M5/288
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) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |