Patent US1639587A successfully refreshed from Google Patents.
US1639587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power washing machine
Assignee: Individual
•
Filing: 1924-09-27
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Granted: 1927-08-16
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Expires: 1944-09-27
Abstract
No abstract record available.
Inventors
- 👤 Frank E Bowers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:17
CPC Classifications
D; D06; D06F; D06F37/00; D06F37/30; D06F37/36; D06F21/00; D06F37/38; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18416; Y10T74/18488; Y10T74/18504
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) | 1930-08-15 | 1931-02-14 | 1931-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-08-15 | 1935-02-14 | 1935-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-08-15 | 1939-02-14 | 1939-08-16 | $7700.00 | Window Closed / Lapsed |