US3172277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clothes washing machine with control means for providing a varying speed tumble operation
Assignee: Maytag Corp
•
Filing: 1963-07-09
•
Granted: 1965-03-09
•
Expires: 1983-07-09
Abstract
No abstract record available.
Inventors
- 👤 Charles W Burkland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:52
CPC Classifications
D; D06; D06F; D06F23/00; D06F23/02; D06F37/00; D06F37/30; D06F37/304
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1477862A
Cited
US2060437A
Cited
US2556490A
Cited
US2881633A
Cited
US3003091A
Cited
US3055203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |