Patent US2990838A successfully refreshed from Google Patents.
US2990838A
Expired / Lapsed
US
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Resuscitation device
Assignee: Individual
•
Filing: 1959-01-07
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Granted: 1961-07-04
•
Expires: 1979-01-07
Abstract
No abstract record available.
Inventors
- 👤 Allen S Cross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:30
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/0048; Y; Y10; Y10S; Y10S137/00; Y10S137/908; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1292613A
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US1398967A
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FR1159530A
Cited
US2930401A
Cited
US2887104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |