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US2816546A
Expired / Lapsed
US
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Medicine injector
Assignee: Individual
•
Filing: 1955-04-14
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Granted: 1957-12-17
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Expires: 1975-04-14
Abstract
No abstract record available.
Inventors
- 👤 Luhmann Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:00
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/46; A61M5/178; A61M5/31; A61M5/315; A61M5/31565; A61M5/31576; A61M5/31578; A61M5/31581; A61M5/32; A61M5/3205; A61M5/321; A61M5/3243; A61M5/326; A61M2005/3267
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2624338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |