Patent US2520162A successfully refreshed from Google Patents.
US2520162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bushing replacer
Assignee: Individual
•
Filing: 1947-08-14
•
Granted: 1950-08-29
•
Expires: 1967-08-14
Abstract
No abstract record available.
Inventors
- 👤 Morrison Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:07
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/02; B25B27/06; B25B27/062; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53796; Y10T29/53848; Y10T29/53857; Y10T29/53878; Y10T29/53991
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US470238A
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US1310270A
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US1315536A
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US1521202A
Cited
GB154829A
Cited
US1431378A
Cited
US1599176A
Cited
DE476140C
Cited
GB374155A
Cited
US1897737A
Cited
US2096472A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-28 | 1954-02-27 | 1954-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-28 | 1958-02-27 | 1958-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-28 | 1962-02-27 | 1962-08-29 | $7700.00 | Window Closed / Lapsed |