Patent US3230516A successfully refreshed from Google Patents.
US3230516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for machine tools and the like
Assignee: Individual
•
Filing: 1959-04-13
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Granted: 1966-01-18
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Expires: 1979-04-13
Abstract
No abstract record available.
Inventors
- 👤 Company The Northern Trust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:32
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/12; G05B19/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A METHOD OF RECORDING DISPLACEMENTS OF A MOVING POINT ON A STORAGE MEMBER INCLUDING THE STEPS OF VARYING THE PHASE OF A PLURALITY OF ELECTRICAL SIGNALS HAVING THE SAME FREQUENCY PROPORTIONALLY TO MOVEMENT OF SAID POINT, RECORDING SAID SIGNALS ON DIFFERENT CHANNELS OF A MOVING STORAGE MEMBER AS SPACED PITCHES, VARYING THE SIZE AND SPACING OF SAID PITCHES ACCORDING TO THE VARYING PHASE OF SAID SIGNALS.
Claim 2
Independent Claim
66 words
A METHOD OF RECORDING DISPLACEMENTS OF A MOVING POINT ON A STORAGE MEMBER INCLUDING THE STEPS OF VARYING THE PHASE OF A PLURALITY OF ELECTRICAL SIGNALS HAVING THE SAME FREQUENCY PROPORTIONALLY TO MOVEMENT OF SAID POINT, RECORDING SAID SIGNALS ON DIFFERENT CHANNELS OF A MOVING STORAGE MEMBER AS SPACED PITCHES, VARYING THE SIZE AND SPACING OF SAID PITCHES ACCORDING TO THE VARYING PHASE OF SAID SIGNALS.
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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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |