Patent US2724107A successfully refreshed from Google Patents.
US3496937A
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US
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Hypodermic syringe
Assignee: JOHN E BALSON
•
Filing: 1967-05-18
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Granted: 1970-02-24
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Expires: 1987-05-18
Abstract
No abstract record available.
Inventors
- 👤 John E Balson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:54
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/20; A61M5/24; A61M5/2422; A61M5/2425; A61M5/31; A61M5/3129; A61M5/32; A61M5/3205; A61M5/321; A61M5/3243; A61M5/3245; A61M2005/3246; A61M5/2455; A61M5/2466
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1798116A
Cited
US2221739A
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US2506035A
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US2699167A
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US2871856A
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US2950717A
Cited
US2966282A
Cited
US3327904A
Cited
US3411503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |