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US3017552A
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Pattern tracer servosystem
Assignee: Westinghouse Canada Inc
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Filing: 1959-06-30
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Granted: 1962-01-16
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Expires: 1979-06-30
Abstract
No abstract record available.
Inventors
- 👤 Brouwer Frans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:33
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/24; B23Q35/38; B23Q35/40; B23Q35/08; B23Q35/12; B23Q35/127; B23Q35/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2499178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |