Patent JPS4923670A successfully refreshed from Google Patents.
US3426437A
Expired / Lapsed
US
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Eccentricity determination system
Assignee: Allegheny Ludlum Steel Corp
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Filing: 1966-07-13
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Granted: 1969-02-11
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Expires: 1986-07-13
Abstract
No abstract record available.
Inventors
- 👤 Charles F Rebhun
- 👤 Keith W Roessing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:50
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/30; G01B7/31; G01B7/312; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
SU164436A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |