US2725637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concentricity attachment and gage
Assignee: JOHNSON GAGE DEV Co
•
Filing: 1952-07-17
•
Granted: 1955-12-06
•
Expires: 1972-07-17
Abstract
No abstract record available.
Inventors
- 👤 Stanley G Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:41
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/24; G01B5/25; G01B5/252
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US623712A
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US937978A
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US1395087A
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US1414483A
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US1486019A
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US1495887A
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US2433516A
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US2425381A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-05 | 1959-06-06 | 1959-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-05 | 1963-06-06 | 1963-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-05 | 1967-06-06 | 1967-12-06 | $7700.00 | Window Closed / Lapsed |