US2550164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insecticide atomizer
Assignee: West Disinfecting Co
•
Filing: 1947-07-31
•
Granted: 1951-04-24
•
Expires: 1967-07-31
Abstract
No abstract record available.
Inventors
- 👤 Rich Hyman Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:13
CPC Classifications
A; A01; A01M; A01M13/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7465; Y10T137/7468
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US140410A
Cited
US222888A
Cited
US410187A
Cited
US771460A
Cited
US1227190A
Cited
GB367950A
Cited
US2250034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |