US3028862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hypodermic syringe
Assignee: Wyeth Holdings LLC
•
Filing: 1959-07-02
•
Granted: 1962-04-10
•
Expires: 1979-07-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Harlan Prater
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:39
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/315; A61M5/31511; A61M5/31515
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2847996A
Cited
US2841144A
Cited
US2880725A
Cited
US2895773A
Cited
US2860635A
Cited
US2954767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |