Patent US1636331A successfully refreshed from Google Patents.
US1636331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for application of powdered disinfectants
Assignee: HERBERT HICE WHETZEL
•
Filing: 1922-04-22
•
Granted: 1927-07-19
•
Expires: 1942-04-22
Abstract
No abstract record available.
Inventors
- 👤 Smith William Blackburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:04
CPC Classifications
A; A01; A01M; A01M9/00; A01M9/0092
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) | 1930-07-18 | 1931-01-17 | 1931-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-07-18 | 1935-01-17 | 1935-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-07-18 | 1939-01-17 | 1939-07-19 | $7700.00 | Window Closed / Lapsed |