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US3009459A
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Apparatus for artificial respiration
Assignee: Individual
•
Filing: 1957-09-12
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Granted: 1961-11-21
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Expires: 1977-09-12
Abstract
No abstract record available.
Inventors
- 👤 Ruben Henning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:50
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/0057; A61M16/0078; A61M16/0084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE207431C
Cited
US1184371A
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US1337225A
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DE413944C
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US1991278A
Cited
AT171584B
Cited
US2834339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |