Patent US2803500A successfully refreshed from Google Patents.
US2803500A
Expired / Lapsed
US
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Wheel and bearing assembly
Assignee: Pemco Wheel Co
•
Filing: 1954-10-07
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Granted: 1957-08-20
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Expires: 1974-10-07
Abstract
No abstract record available.
Inventors
- 👤 Jr John W Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:04
CPC Classifications
B; B60; B60B; B60B3/00; B60B3/08; B60B3/082; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49481; Y10T29/49492; Y10T29/49496; Y10T29/49503
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US1384783A
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US1487552A
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US2734980A
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US1492416A
Cited
US1716750A
Cited
US2087530A
Cited
US2643917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |