Patent US2197294A successfully refreshed from Google Patents.
US2197294A
Expired / Lapsed
US
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Automatic control of washing and other machines
Assignee: Baker Perkins Ltd
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Filing: 1938-06-27
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Granted: 1940-04-16
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Expires: 1958-06-27
Abstract
No abstract record available.
Inventors
- 👤 Brockbank Allan Peile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:28
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/02; D06F39/022; D06F34/00; D06F34/08; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/8593; Y10T137/86389; Y10T137/86445; Y10T137/86461; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/87692
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) | 1943-04-16 | 1943-10-16 | 1944-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-04-16 | 1947-10-16 | 1948-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-04-16 | 1951-10-16 | 1952-04-16 | $7700.00 | Window Closed / Lapsed |