Patent US2663176A successfully refreshed from Google Patents.
US2663176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washing machine
Assignee: Graham & Barker
•
Filing: 1948-11-15
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Granted: 1953-12-22
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Expires: 1968-11-15
Abstract
No abstract record available.
Inventors
- 👤 George C Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:28
CPC Classifications
D; D06; D06F; D06F27/00
Claims Analysis
Total Claims: 0
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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) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |