US2438462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metered spraying device for mixed liquids
Assignee: Individual
•
Filing: 1944-07-01
•
Granted: 1948-03-23
•
Expires: 1964-07-01
Abstract
No abstract record available.
Inventors
- 👤 Ronald B Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:46
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/24; B05B7/02; B05B7/04; B05B7/0408; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2516; Y10T137/8593; Y10T137/85978; Y10T137/86131; Y10T137/86163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1137927A
Cited
US1185344A
Cited
US1720326A
Cited
US1899749A
Cited
US2238502A
Cited
US2356865A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-23 | 1951-09-22 | 1952-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-23 | 1955-09-22 | 1956-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-23 | 1959-09-22 | 1960-03-23 | $7700.00 | Window Closed / Lapsed |