US3381813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hypodermic needle and protector therefor
Assignee: PHARMASEAL LAB
•
Filing: 1965-09-07
•
Granted: 1968-05-07
•
Expires: 1985-09-07
Abstract
No abstract record available.
Inventors
- 👤 Coanda George
- 👤 Alfred R Spaeth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:46
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/32; A61M5/3202
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3164279A
Cited
GB894653A
Cited
US2990079A
Cited
US3008570A
Cited
US3069040A
Cited
US3118448A
Cited
US3179107A
Cited
US3320954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |