US3475928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clothes washing machine
Assignee: Westinghouse Electric Corp
•
Filing: 1968-01-22
•
Granted: 1969-11-04
•
Expires: 1988-01-22
Abstract
No abstract record available.
Inventors
- 👤 William A Wasemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:34
CPC Classifications
D; D06; D06F; D06F37/00; D06F37/26; D06F37/265; D06F37/267; D06F37/269
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2574617A
Cited
US2942445A
Cited
US2968970A
Cited
US2978892A
Cited
US3285419A
Cited
US3247689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |