Patent US2531317A successfully refreshed from Google Patents.
US2531317A
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US
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Shaft concentricity testing and assorting machine
Assignee: Borg Warner Corp
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Filing: 1948-03-02
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Granted: 1950-11-21
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Expires: 1968-03-02
Abstract
No abstract record available.
Inventors
- 👤 Harry N Baney
- 👤 Slentz Louis Allen Cooper
- 👤 Arlo A Kirkpatrick
- 👤 Charles E Brickley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:14
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/24; G01B5/25; G01B5/252; Y; Y10; Y10S; Y10S209/00; Y10S209/934; Y10S209/941
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US623036A
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US939109A
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US1443193A
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US1818968A
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US2116926A
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US2376556A
Cited
US2338868A
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US2407062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |