Patent US20140154973A1 successfully refreshed from Google Patents.
US2615446A
Expired / Lapsed
US
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Hypodermic syringe
Assignee: Individual
•
Filing: 1951-05-15
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Granted: 1952-10-28
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Expires: 1971-05-15
Abstract
No abstract record available.
Inventors
- 👤 Paul B Lingenfelter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:52
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/28; A61M5/281; A61M5/282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1015952A
Cited
US1288174A
Cited
US1643531A
Cited
GB573611A
Cited
US2483825A
Cited
US2552100A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |