US3477258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Total sensing automatic washer
Assignee: Whirlpool Corp
•
Filing: 1968-05-20
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Granted: 1969-11-11
•
Expires: 1988-05-20
Abstract
No abstract record available.
Inventors
- 👤 Douglas J Walker
- 👤 Oscar A W Tichy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:49
CPC Classifications
D; D06; D06F; D06F34/00; D06F34/28; D06F2101/00; D06F2101/12; D06F2101/14; D06F2103/00; D06F2103/18; D06F2103/68; D06F2105/00; D06F2105/02; D06F2105/04; D06F2105/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |