Patent US1892441A successfully refreshed from Google Patents.
US1892441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washing machine
Assignee: HARRY BOHN
•
Filing: 1927-04-07
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Granted: 1932-12-27
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Expires: 1947-04-07
Abstract
No abstract record available.
Inventors
- 👤 Nathaniel B Wales
- 👤 Roberts Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:15
CPC Classifications
D; D06; D06F; D06F23/00; D06F23/04; Y; Y10; Y10T; Y10T137/00; Y10T137/4673; Y10T137/4807; Y10T137/6851; Y10T137/7032
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) | 1935-12-27 | 1936-06-27 | 1936-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-12-27 | 1940-06-27 | 1940-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-12-27 | 1944-06-27 | 1944-12-27 | $7700.00 | Window Closed / Lapsed |