Patent US3256898A successfully refreshed from Google Patents.
US2376348A
Expired / Lapsed
US
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Resuscitator
Assignee: CLARENCE N ERICKSON
•
Filing: 1943-04-24
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Granted: 1945-05-22
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Expires: 1963-04-24
Abstract
No abstract record available.
Inventors
- 👤 Le Roy G Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:31
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/0003; A61M16/0009; A61M16/0012; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/8593; Y10T137/877; Y10T137/87829; Y10T137/87837
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-05-21 | 1948-11-20 | 1949-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-05-21 | 1952-11-20 | 1953-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-05-21 | 1956-11-20 | 1957-05-22 | $7700.00 | Window Closed / Lapsed |