US3442197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilator system and vapor dispenser
Assignee: Braun GmbH
•
Filing: 1967-02-02
•
Granted: 1969-05-06
•
Expires: 1987-02-02
Abstract
No abstract record available.
Inventors
- 👤 Claus Christian Cobarg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:55
CPC Classifications
A; A61; A61L; A61L9/00; A61L9/015; A61L9/04; A61L9/12; A61L9/122; Y; Y10; Y10S; Y10S261/00; Y10S261/88
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1307449A
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US829707A
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US1270613A
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US1567957A
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US2603468A
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US2822217A
Cited
US2828953A
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US3331304A
Cited
US3310228A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |