Patent US2936756A successfully refreshed from Google Patents.
US2936756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hypodermic needle unit for discharge of medications from pressurized vials
Assignee: Individual
•
Filing: 1955-07-01
•
Granted: 1960-05-17
•
Expires: 1975-07-01
Abstract
No abstract record available.
Inventors
- 👤 Gabriel Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:54
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/24; A61M5/20; A61M5/2053; A61M2005/2403; A61M2005/2407; A61M5/2455; A61M5/2466; A61M2005/247
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1738146A
Cited
FR861539A
Cited
US2267074A
Cited
US2583743A
Cited
US2554352A
Cited
US2778359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |