US2653604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection device
Assignee: Individual
•
Filing: 1950-12-19
•
Granted: 1953-09-29
•
Expires: 1970-12-19
Abstract
No abstract record available.
Inventors
- 👤 Jr George N Hein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:29
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/30; A61M5/20; A61M5/204; A61M5/24; A61M5/2455; A61M5/2466; A61M5/31; A61M5/315; A61M5/31565; A61M5/31576; A61M5/31578; A61M5/3159; A61M5/31593
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US380673A
Cited
US1316222A
Cited
US798093A
Cited
US1546491A
Cited
US1718596A
Cited
US2514575A
Cited
US2470298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |