Patent US20170156859A1 successfully refreshed from Google Patents.
US2781759A
Expired / Lapsed
US
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Syringe
Assignee: Individual
•
Filing: 1953-06-15
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Granted: 1957-02-19
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Expires: 1973-06-15
Abstract
No abstract record available.
Inventors
- 👤 Walter F Pawlowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:52
CPC Classifications
A; A61; A61M; A61M3/00; A61M3/02; A61M3/0279; A61M3/0283; A61M1/00; A61M1/71; A61M1/77
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US937292A
Cited
US1015895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-19 | 1960-08-20 | 1961-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-19 | 1964-08-20 | 1965-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-19 | 1968-08-20 | 1969-02-19 | $7700.00 | Window Closed / Lapsed |