US2610447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic pattern controlled machine tools
Assignee: AV Roe Canada Ltd
•
Filing: 1951-05-24
•
Granted: 1952-09-16
•
Expires: 1971-05-24
Abstract
No abstract record available.
Inventors
- 👤 Bobbs William Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:21
CPC Classifications
B; B24; B24B; B24B17/00; B24B17/02; B24B17/025; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/302968; Y10T409/303248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US656685A
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US808260A
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US962274A
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US1392172A
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US1389835A
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US2087687A
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US2184175A
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US2354509A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |