US2766753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for artificial respiration, in particular for purposes of anesthesia
Assignee: Draegerwerk AG and Co KGaA
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Filing: 1954-04-15
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Granted: 1956-10-16
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Expires: 1974-04-15
Abstract
No abstract record available.
Inventors
- 👤 Koch Heinrich
- 👤 Furniss Hans
- 👤 Karl F Mollering
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:06
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/0057; A61M16/0081; A61M16/0003; A61M16/0009; A61M16/0012; A61M16/0075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |