Patent US2887635A successfully refreshed from Google Patents.
US2887635A
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US
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Electric tracer control system for machines such as machine tools
Assignee: Individual
•
Filing: 1954-02-15
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Granted: 1959-05-19
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Expires: 1974-02-15
Abstract
No abstract record available.
Inventors
- 👤 Wolfgang Schmid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:45
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/002; B23K7/004; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/12; B23Q35/121; B23Q35/122; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19535; Y10T74/20; Y10T74/20012; Y10T74/20201
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1541600A
Cited
US1800760A
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US1891880A
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DE729999C
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US2345116A
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US2494663A
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US2474406A
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US2679620A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |