US3050059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hypodermic syringe
Assignee: Don Baxter Inc
•
Filing: 1959-05-25
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Granted: 1962-08-21
•
Expires: 1979-05-25
Abstract
No abstract record available.
Inventors
- 👤 Wendell I Wall
- 👤 Calvin C Cowley
- 👤 Donald A Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:05
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/315; A61M5/31511; A61M5/31513
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US877946A
Cited
US2602447A
Cited
US2629376A
Cited
US2574964A
Cited
US2895773A
Cited
US2860635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |