Patent US3250285A successfully refreshed from Google Patents.
US3250285A
Expired / Lapsed
US
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Logic network for numerically-controlled machine tools
Assignee: Corning Inc
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Filing: 1963-02-12
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Granted: 1966-05-10
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Expires: 1983-02-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard W Vockroth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:39
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/43; G05B19/44; B; B23; B23Q; B23Q15/00; G05B19/02; G05B19/18; G05B19/19; G05B19/21; G05B19/23; G05B19/238; G05B19/27; G05B19/416; G05B2219/00; G05B2219/30; G05B2219/43; G05B2219/43194; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2065; Y10T137/2071
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A LOGIC NETWORK FOR NUMERICALLY-CONTROLLLED MACHINE TOOLS WHICH COMPRISES; A FIRST COMPARISON MEANS FOR COMPARING A COMMAND SIGNAL REPRESENTING A DESIRED POSITIONMENT AUGMENTED BY THE ADDITION OF A CONSTANT WITH A SIGNAL REPRESENTING AN ACTUAL POSITIONMENT, A SECOND COMPARISON MEANS FOR COMPARING THE COMMAND SIGNAL MODIFIED BY THE SUBTRACTION OF THE CONSTANT WITH THE ACTUAL POSITIONMENT SIGNAL, AND A THIRD COMPARISON MEANS FOR COMPARING THE COMMAND SIGNAL WITH THE ACUTAL POSITIONMENT SIGNAL; MEANS RESPONSIVE TO THE OUTPUT OF SAID SECOND COMPARISON MEANS, THE OUTPUT OF SAID FIRST COMPARISON MEANS WHEN THE AUGMENTED COMMAND SIGNAL COMPARES HIGHER THAN THE ACTUAL POSITIONMENT SIGNAL, AND THE OUTPUT OF SAID THIRD COMPARISON MEANS WHEN THE COMMAND SIGNAL COMPARES HIGHER THAN THE ACTUAL POSITIONMENT SIGNAL TO ACTUATE MEANS FOR INCREASING THE ACTUAL POSITIONMENT SIGNAL; AND MEANS RESPONSIVE TO THE OUTPUT OF SAID FIRST COMPARISON MEANS, THE OUTPUT OF SAID SECOND COM-
Claim 2
Dependent Claim
146 words
A LOGIC NETWORK FOR NUMERICALLY-CONTROLLLED MACHINE TOOLS WHICH COMPRISES; A FIRST COMPARISON MEANS FOR COMPARING A COMMAND SIGNAL REPRESENTING A DESIRED POSITIONMENT AUGMENTED BY THE ADDITION OF A CONSTANT WITH A SIGNAL REPRESENTING AN ACTUAL POSITIONMENT, A SECOND COMPARISON MEANS FOR COMPARING THE COMMAND SIGNAL MODIFIED BY THE SUBTRACTION OF THE CONSTANT WITH THE ACTUAL POSITIONMENT SIGNAL, AND A THIRD COMPARISON MEANS FOR COMPARING THE COMMAND SIGNAL WITH THE ACUTAL POSITIONMENT SIGNAL; MEANS RESPONSIVE TO THE OUTPUT OF SAID SECOND COMPARISON MEANS, THE OUTPUT OF SAID FIRST COMPARISON MEANS WHEN THE AUGMENTED COMMAND SIGNAL COMPARES HIGHER THAN THE ACTUAL POSITIONMENT SIGNAL, AND THE OUTPUT OF SAID THIRD COMPARISON MEANS WHEN THE COMMAND SIGNAL COMPARES HIGHER THAN THE ACTUAL POSITIONMENT SIGNAL TO ACTUATE MEANS FOR INCREASING THE ACTUAL POSITIONMENT SIGNAL; AND MEANS RESPONSIVE TO THE OUTPUT OF SAID FIRST COMPARISON MEANS, THE OUTPUT OF SAID SECOND COM-
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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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |