US2673561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable double-action syringe
Assignee: Individual
•
Filing: 1951-03-22
•
Granted: 1954-03-30
•
Expires: 1971-03-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles B Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:58
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/15; A61B5/150007; A61B5/150015; A61B5/15003; A61B5/150053; A61B5/150061; A61B5/150099; A61B5/150206; A61B5/150229; A61B5/150374; A61B5/150381; A61B5/150389; A61B5/150534; A61B5/150694; A61B5/150717; A61B5/150732; A61B5/153; A61M; A61M5/00; A61M5/178; A61M5/28; A61M5/281; A61M5/282; A61B5/150259; A61B5/150946
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2258883A
Cited
US2353153A
Cited
US2388323A
Cited
US2403074A
Cited
GB573611A
Cited
US2514575A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-29 | 1957-09-28 | 1958-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-29 | 1961-09-28 | 1962-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-29 | 1965-09-28 | 1966-03-30 | $7700.00 | Window Closed / Lapsed |