US2679843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection apparatus
Assignee: Becton Dickinson and Co
•
Filing: 1950-01-17
•
Granted: 1954-06-01
•
Expires: 1970-01-17
Abstract
No abstract record available.
Inventors
- 👤 Edwin A May
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:46
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/20; A61M5/24; A61M2005/2403; A61M2005/2411; A61M2005/2433; A61M2005/2437; A61M5/206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US473207A
Cited
US464801A
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US768413A
Cited
US1867355A
Cited
US1881963A
Cited
US2175365A
Cited
US2322244A
Cited
US2390246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |