US2602447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for hypodermic injection
Assignee: Individual
•
Filing: 1947-12-20
•
Granted: 1952-07-08
•
Expires: 1967-12-20
Abstract
No abstract record available.
Inventors
- 👤 Kollsman Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:28
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US315292A
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US1848711A
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US742762A
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US782723A
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US877946A
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US1694767A
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US1723362A
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US1704924A
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US1658296A
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US1943120A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |