US2511973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treatment of nasal
Assignee: —
•
Filing: —
•
Granted: 1950-06-20
•
Expires: 1967-06-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:23
CPC Classifications
A; A61; A61H; A61H35/00; A61H35/04; A61M; A61M1/00; A61M1/71; A61M1/74; A61M1/742; A61M3/00; A61M3/02; A61M3/0204; A61M3/0208; A61M3/0212; A61M3/0216; A61M3/022; A61M3/0233; A61M3/0254; A61M3/0258; A61M31/00; A61M1/73; A61M1/732; A61M1/77; A61M2210/00; A61M2210/06; A61M2210/0618; A61M3/0279
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2280992A
Cited
US2345875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-19 | 1953-12-19 | 1954-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-19 | 1957-12-19 | 1958-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-19 | 1961-12-19 | 1962-06-20 | $7700.00 | Window Closed / Lapsed |