Patent US2227077A successfully refreshed from Google Patents.
US2227077A
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Automatic control mechanism
Assignee: Easy Washing Machine Corp
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Filing: 1937-03-26
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Granted: 1940-12-31
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Expires: 1957-03-26
Abstract
No abstract record available.
Inventors
- 👤 Geldhof Peter Eduard
- 👤 Ringer Luther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:08
CPC Classifications
D; D06; D06F; D06F33/00; D06F33/04; D06F33/06; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/729; Y10T137/7303; Y10T137/7358; Y10T137/742; Y10T137/8593; Y10T137/86389; Y10T137/86445; Y10T137/86461; Y10T74/00; Y10T74/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-12-31 | 1944-07-01 | 1944-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-12-31 | 1948-07-01 | 1948-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-12-31 | 1952-07-01 | 1952-12-31 | $7700.00 | Window Closed / Lapsed |