Patent US2488988A successfully refreshed from Google Patents.
US2488988A
Expired / Lapsed
US
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Nebulizeer
Assignee: DeVilbiss Co
•
Filing: 1945-05-21
•
Granted: 1949-11-22
•
Expires: 1965-05-21
Abstract
No abstract record available.
Inventors
- 👤 Joy B Schmitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:07
CPC Classifications
A; A61; A61M; A61M11/00; A61M11/06; A61M2205/00; A61M2205/07; A61M2205/071; A61M2205/075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190906707A
Cited
US1762807A
Cited
US1887949A
Cited
AU1516133A
Cited
FR807373A
Cited
US2159407A
Cited
US2209261A
Cited
US2329506A
Cited
US2421359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-21 | 1953-05-23 | 1953-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-21 | 1957-05-23 | 1957-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-21 | 1961-05-23 | 1961-11-22 | $7700.00 | Window Closed / Lapsed |