US2519654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washing machine for bearings
Assignee: Individual
•
Filing: 1945-07-23
•
Granted: 1950-08-22
•
Expires: 1965-07-23
Abstract
No abstract record available.
Inventors
- 👤 William B Heaney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:53
CPC Classifications
C; C23; C23G; C23G3/00; C23G3/04; B; B08; B08B; B08B3/00; B08B3/04; B08B3/10; B08B3/108
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2140909A
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US2168746A
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US2210478A
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US2218880A
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US2137660A
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US2226870A
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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) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |