Patent US2640272A successfully refreshed from Google Patents.
US2640272A
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US
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Contour measuring apparatus
Assignee: Fellows Gear Shaper Co
•
Filing: 1946-07-20
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Granted: 1953-06-02
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Expires: 1966-07-20
Abstract
No abstract record available.
Inventors
- 👤 Arthur I Bean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:28
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/20; G01B5/205
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) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |