US2578813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for hypodermic injections
Assignee: Individual
•
Filing: 1947-12-20
•
Granted: 1951-12-18
•
Expires: 1967-12-20
Abstract
No abstract record available.
Inventors
- 👤 Kollsman Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:33
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/28; A61M5/281; A61M5/283; A61M5/31; A61M2005/3103; A61M2005/3107; A61M2005/311; A61M5/32; A61M5/3202
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1848711A
Cited
CH51542A
Cited
US1592462A
Cited
US1943120A
Cited
DE632883C
Cited
US2388323A
Cited
US2408323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |