US3433224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas actuated hypodermic syringe
Assignee: Individual
•
Filing: 1968-03-05
•
Granted: 1969-03-18
•
Expires: 1988-03-05
Abstract
No abstract record available.
Inventors
- 👤 Robert B Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:22
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/20; A61M5/2053; A61M5/31; A61M5/32; A61M5/3205; A61M2005/3206; A61M5/24; A61M5/3293
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA724951A
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US2017276A
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US2168437A
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US2483825A
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US2545017A
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US2547099A
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US2699167A
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US3115133A
Cited
US3209695A
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US3334788A
Cited
US3358685A
Cited
US3306290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |