Patent US2147158A successfully refreshed from Google Patents.
US2147158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powder insufflator
Assignee: Individual
•
Filing: 1937-09-28
•
Granted: 1939-02-14
•
Expires: 1957-09-28
Abstract
No abstract record available.
Inventors
- 👤 Goldenthal Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:14
CPC Classifications
A; A61; A61M; A61M15/00; A61M15/0028; B; B05; B05B; B05B11/00; B05B11/01; B05B11/06; B05B11/062; A61M2202/00; A61M2202/06; A61M2202/064; A61M2205/00; A61M2205/07; A61M2205/071; A61M2205/075
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-02-13 | 1942-08-15 | 1943-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-02-13 | 1946-08-15 | 1947-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-02-13 | 1950-08-15 | 1951-02-14 | $7700.00 | Window Closed / Lapsed |