US3016147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-cleaning filter for laundry machine
Assignee: Whirlpool Corp
•
Filing: 1957-03-13
•
Granted: 1962-01-09
•
Expires: 1977-03-13
Abstract
No abstract record available.
Inventors
- 👤 Clifton A Cobb
- 👤 Edward E Wiessner
- 👤 Carrol A Orr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:41
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/10; B; B01; B01D; B01D24/00; B01D24/02; B01D24/10; B01D24/12; B01D24/46; B01D24/4631; B01D24/4668; B01D24/4694
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2268182A
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US2326021A
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US2516327A
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US2439535A
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US2604497A
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US2523523A
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US2621505A
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US2728352A
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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) | 1965-01-08 | 1965-07-10 | 1966-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-08 | 1969-07-10 | 1970-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-08 | 1973-07-10 | 1974-01-09 | $7700.00 | Window Closed / Lapsed |