US1628843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powder-applying device for medicinal purposes
Assignee: THYOGEN Co
•
Filing: 1921-08-20
•
Granted: 1927-05-17
•
Expires: 1941-08-20
Abstract
No abstract record available.
Inventors
- 👤 Daniel T Horton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:51
CPC Classifications
B; B05; B05B; B05B11/00; B05B11/01; B05B11/06; B05B11/062; A; A61; A61M; 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) | 1930-05-16 | 1930-11-15 | 1931-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-05-16 | 1934-11-15 | 1935-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-05-16 | 1938-11-15 | 1939-05-17 | $7700.00 | Window Closed / Lapsed |