Patent US3020099A successfully refreshed from Google Patents.
US3020099A
Expired / Lapsed
US
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Railway car journal bearing
Assignee: Klasing Hand Brake Co
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Filing: 1959-12-07
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Granted: 1962-02-06
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Expires: 1979-12-07
Abstract
No abstract record available.
Inventors
- 👤 Raymond K Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:19
CPC Classifications
B; B61; B61F; B61F15/00; B61F15/12; B61F15/16; F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/20; F16C2326/00; F16C2326/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1684146A
Cited
US2044514A
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US2296726A
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US2426940A
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US2592294A
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US2720119A
Cited
US2691554A
Cited
US2793918A
Cited
US2906567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |