US2574964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Syringe
Assignee: Individual
•
Filing: 1949-06-24
•
Granted: 1951-11-13
•
Expires: 1969-06-24
Abstract
No abstract record available.
Inventors
- 👤 Eisenstark Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:05
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/32; A61M5/34; A61M5/344; A61M5/315; A61M5/31511; A61M2005/31516; A61M5/347
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US596159A
Cited
US600803A
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US650203A
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US1453418A
Cited
US1648135A
Cited
US1782938A
Cited
US1987146A
Cited
DE632883C
Cited
US1948982A
Cited
US2361617A
Cited
GB580185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |