Patent JPH0757631A successfully refreshed from Google Patents.
US2833280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Syringe assembly
Assignee: Individual
•
Filing: 1952-12-19
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Granted: 1958-05-06
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Expires: 1972-12-19
Abstract
No abstract record available.
Inventors
- 👤 Jr George N Hein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:20
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/24; A61M5/2448; A61M5/31; A61M5/315; A61M5/31511; A61M2005/2403; A61M2005/2414; A61M5/32; A61M5/34; A61M2005/342; A61M5/2455; A61M5/2466; A61M5/28; A61M5/285; A61M5/288
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US144661A
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DE459668C
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US1007804A
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US1468152A
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US1518531A
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US1929616A
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US2460039A
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US2489600A
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US2586069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |