Patent BE634718A successfully refreshed from Google Patents.
US2744528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hypodermic syringe
Assignee: Individual
•
Filing: 1951-10-30
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Granted: 1956-05-08
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Expires: 1971-10-30
Abstract
No abstract record available.
Inventors
- 👤 Barrett Altina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:29
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)
DE207431C
Cited
US911523A
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US1288174A
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US1687502A
Cited
GB573611A
Cited
US2551414A
Cited
US2589426A
Cited
US2625157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |