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US3054902A
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Measurement and correction of errors in machines
Assignee: National Research Development Corp UK
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Filing: 1959-06-01
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Granted: 1962-09-18
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Expires: 1979-06-01
Abstract
No abstract record available.
Inventors
- 👤 Timms Cecil
- 👤 Aitchison Thomas Walker
- 👤 Sayce Leonard Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:35
CPC Classifications
B; B23; B23Q; B23Q15/00; B23Q23/00; G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05B; G05B2219/00; G05B2219/30; G05B2219/37; G05B2219/37619
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2861345A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |