US2785679A
Expired / Lapsed
US
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Inhalation apparatus
Assignee: Individual
•
Filing: 1954-06-02
•
Granted: 1957-03-19
•
Expires: 1974-06-02
Abstract
No abstract record available.
Inventors
- 👤 Wullschleger Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:52
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/10; A61M16/1075; A61M11/00; A61M11/04; A61M11/041; A61M11/042; A61M11/06; A61M16/108
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) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |