Patent US2556153A successfully refreshed from Google Patents.
US2556153A
Expired / Lapsed
US
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Laundering apparatus
Assignee: Individual
•
Filing: 1947-01-18
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Granted: 1951-06-05
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Expires: 1967-01-18
Abstract
No abstract record available.
Inventors
- 👤 Ella M Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:57
CPC Classifications
D; D06; D06F; D06F58/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1234498A
Cited
US1284949A
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US1986292A
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GB394948A
Cited
US2064512A
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US2218664A
Cited
US2331699A
Cited
US2279878A
Cited
US2344982A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |