US2677389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pumping system for washing machines
Assignee: Mission Manufacturing Co
•
Filing: 1950-02-07
•
Granted: 1954-05-04
•
Expires: 1970-02-07
Abstract
No abstract record available.
Inventors
- 👤 Fred L Jisha
- 👤 Walter E Liljestrand
- 👤 Henry B Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:53
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/08; D06F39/083; D06F39/085; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2417998A
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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) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |