US2468648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing testing device
Assignee: PHYSICISTS RES Co
•
Filing: 1944-07-04
•
Granted: 1949-04-26
•
Expires: 1964-07-04
Abstract
No abstract record available.
Inventors
- 👤 Ernest J Abbott
- 👤 Lucian W Chaney
- 👤 Edward B Bragg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:41
CPC Classifications
G; G01; G01M; G01M13/00; G01M13/04; G01M13/045; G01N; G01N2291/00; G01N2291/26; G01N2291/269; G01N2291/2696
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1690279A
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DE645132C
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US1981693A
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US2009997A
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US1955812A
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US2105167A
Cited
US2184565A
Cited
US2340714A
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US2338293A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |