Patent US2984359A successfully refreshed from Google Patents.
US2984359A
Expired / Lapsed
US
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Laundry machine and filter therefor
Assignee: Whirlpool Corp
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Filing: 1957-10-25
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Granted: 1961-05-16
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Expires: 1977-10-25
Abstract
No abstract record available.
Inventors
- 👤 Francis L O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:06
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/10; B; B01; B01D; B01D35/00; B01D35/10; Y; Y10; Y10S; Y10S4/00; Y10S4/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1106641A
Cited
US1516871A
Cited
US1640198A
Cited
US1798730A
Cited
GB300408A
Cited
US2037568A
Cited
US2184761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |