US2893390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hypodermic syringes
Assignee: EDGAR H WILBURN
•
Filing: 1954-04-28
•
Granted: 1959-07-07
•
Expires: 1974-04-28
Abstract
No abstract record available.
Inventors
- 👤 Lockhart Margaret La Nita
- 👤 Matthies Robert William
- 👤 Kettle Arthur Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:10
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/28; A61M5/285; A61M5/286; A61M2005/287
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US441238A
Cited
US1316394A
Cited
US2591046A
Cited
US2549417A
Cited
US2636493A
Cited
US2688966A
Cited
US2695614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |