Patent US2893390A successfully refreshed from Google Patents.
US2893390A
Expired / Lapsed
US
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Hypodermic syringes
Assignee: EDGAR H WILBURN
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Filing: 1954-04-28
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Granted: 1959-07-07
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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 01:43
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/28; A61M5/285; A61M5/286; A61M2005/287
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US441238A
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US1316394A
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US2591046A
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US2549417A
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US2636493A
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US2688966A
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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 |