US2678050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable dishwashing machine
Assignee: Individual
•
Filing: 1948-12-17
•
Granted: 1954-05-11
•
Expires: 1968-12-17
Abstract
No abstract record available.
Inventors
- 👤 Walter I Knapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:53
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/02; A47L15/06; A47L15/0089
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |