US2575493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dishwashing machine and plural liquid spray means therefor
Assignee: Individual
•
Filing: 1949-05-28
•
Granted: 1951-11-20
•
Expires: 1969-05-28
Abstract
No abstract record available.
Inventors
- 👤 Frank T Hilliker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:32
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/24; A47L15/241; A47L15/42; A47L15/4214; A47L15/4219; A47L15/4221
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |