US2672142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Breech loading syringe for use with hypodermic medication cartridges
Assignee: HAROLD M BARON
•
Filing: 1947-09-30
•
Granted: 1954-03-16
•
Expires: 1967-09-30
Abstract
No abstract record available.
Inventors
- 👤 Carl M Melton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:45
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/24; A61M2005/2403; A61M2005/2407; A61M2005/2485; A61M2005/2496
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1144343A
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US1179560A
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US1512294A
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US1798142A
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US1604018A
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US1909591A
Cited
US1867355A
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US1971687A
Cited
US2118221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |