Patent US2563000A successfully refreshed from Google Patents.
US2563000A
Expired / Lapsed
US
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Lead measuring machine
Assignee: Fellows Gear Shaper Co
•
Filing: 1945-03-02
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Granted: 1951-08-07
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Expires: 1965-03-02
Abstract
No abstract record available.
Inventors
- 👤 Arthur I Bean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:42
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/14; G01B5/16; G01B5/163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US653726A
Cited
US1846270A
Cited
US2046506A
Cited
US2108414A
Cited
US2261093A
Cited
US2268342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |