US2861571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple dose disposable syringe
Assignee: Wyeth Holdings LLC
•
Filing: 1956-10-30
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Granted: 1958-11-25
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Expires: 1976-10-30
Abstract
No abstract record available.
Inventors
- 👤 Sandhage Ellsworth Rolland
- 👤 Burkhart Robert Lincoln
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:04
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/20; A61M5/204; A61M5/24; A61M5/2422; A61M5/2425
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |