US2575513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable aspirator
Assignee: E & J Manufacturing Co
•
Filing: 1948-09-10
•
Granted: 1951-11-20
•
Expires: 1968-09-10
Abstract
No abstract record available.
Inventors
- 👤 Le Roy G Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:24
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/80; A61M1/804
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1155147A
Cited
US1430303A
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US1606492A
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US2080957A
Cited
US2243695A
Cited
US2268172A
Cited
US2408136A
Cited
US2376348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |