US3553559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital contour system with relatively constant path speed
Assignee: Superior Electric Co
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Filing: 1968-10-10
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Granted: 1971-01-05
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Expires: 1988-10-10
Abstract
Abstract A NUMERICAL CONTROL SYSTEM FOR CAUSING RELATIVE MOVEMENT ALONG A PATH DETERMINED BY CODED COMMANDS BY THE MOVEMENT CONSISTING OF CONSTANT LENGTH STEPS ON X AND Y AXES WITH ONLY ONE STEP OCCURRING AT A TIME AND IN WHICH THE SPEED OF EACH STEP IS SELECTED FROM ONE OF A PLURALITY OF SPEEDS SO AS TO MAINTAIN THE SPEED ALONG THE PATH SUBSTANTIALLY CONSTANT IRRESPECTIVE OF THE DIRECTION BY DETERMINING THE RELATIONSHIP BETWEEN THE IMMEDIATELY PRECEDING STEP, THE PRESENT OR NOW STEP AND POSSIBLY THE FUTURE OR NEXT STEP FOR EVERY STEP THAT IS TO OCCUR.
Inventors
- 👤 Albert C Leenhouts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:19
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/40; G05B19/416; G05B2219/00; G05B2219/30; G05B2219/43; G05B2219/43187
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |