US2480441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical ventilator
Assignee: Individual
•
Filing: 1945-06-16
•
Granted: 1949-08-30
•
Expires: 1965-06-16
Abstract
No abstract record available.
Inventors
- 👤 Loren J Bingham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:45
CPC Classifications
F; F24; F24F; F24F7/00; F24F7/04; F24F7/06; F24F7/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US970806A
Cited
CH144250A
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US1805809A
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US1874573A
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US1926298A
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US2293360A
Cited
US2078580A
Cited
US2293316A
Cited
US2272143A
Cited
US2316634A
Cited
US2322904A
Cited
US2345636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |