Patent US2723461A successfully refreshed from Google Patents.
US2723461A
Expired / Lapsed
US
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Roundness measuring and/or recording apparatus
Assignee: Taylor Taylor and Hobson Ltd
•
Filing: 1950-05-16
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Granted: 1955-11-15
•
Expires: 1970-05-16
Abstract
No abstract record available.
Inventors
- 👤 Reason Richard Edmund
- 👤 Rawstron George Ormerod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:39
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/28; G01B7/282
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) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |