US2672869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Syringe
Assignee: Seamless Rubber Co
•
Filing: 1949-06-14
•
Granted: 1954-03-23
•
Expires: 1969-06-14
Abstract
No abstract record available.
Inventors
- 👤 Charles T Manville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:05
CPC Classifications
A; A61; A61M; A61M3/00; A61M3/02; A61M3/0233; A61M3/0245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US431084A
Cited
US722819A
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US807092A
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FR600202A
Cited
US1647210A
Cited
US2087780A
Cited
US2213930A
Cited
US2213937A
Cited
US2253571A
Cited
US2410367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |