Patent US2633140A successfully refreshed from Google Patents.
US2633140A
Expired / Lapsed
US
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Dishwashing machine
Assignee: Individual
•
Filing: 1947-07-22
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Granted: 1953-03-31
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Expires: 1967-07-22
Abstract
No abstract record available.
Inventors
- 👤 John O Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:46
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/14; A47L15/18; A47L15/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US786459A
Cited
FR419640A
Cited
US994469A
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US1358507A
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US1583236A
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US1632007A
Cited
US1762094A
Cited
US1917829A
Cited
US1960816A
Cited
US1982847A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |