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Patent US2676591A successfully refreshed from Google Patents.
US2676591A
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Hypodermic unit
Assignee: Individual
•
Filing: 1951-03-27
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Granted: 1954-04-27
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Expires: 1971-03-27
Abstract
No abstract record available.
Inventors
- 👤 Fox Dorothy Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:31
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/28; A61M5/284; A61M5/281; A61M5/282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1021146A
Cited
FR504291A
Cited
US1336730A
Cited
US1522198A
Cited
US1572324A
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US1668588A
Cited
US2371086A
Cited
GB587280A
Cited
US2514575A
Cited
FR950588A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |