US2770050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gage for rotating test part for peripheral and concentricity gaging
Assignee: JOHNSON GAGE DEV Co
•
Filing: 1951-11-21
•
Granted: 1956-11-13
•
Expires: 1971-11-21
Abstract
No abstract record available.
Inventors
- 👤 Stanley G Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:31
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/24; G01B5/25; G01B5/252; G01B3/00; G01B3/46; G01B3/48; G01B5/08; G01B5/20
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |