Patent US3343459A successfully refreshed from Google Patents.
US3343459A
Expired / Lapsed
US
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Control system
Assignee: HG Weber and Co Inc
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Filing: 1964-11-30
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Granted: 1967-09-26
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Expires: 1984-11-30
Abstract
No abstract record available.
Inventors
- 👤 Paul W Jacobsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:45
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/16; B; B65; B65H; B65H23/00; B65H23/02; B65H23/0204; B65H23/0212
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
AN EDGE ALIGNMENT CONTROL SYSTEM COMPRISING: A SENSING HEAD HAVING FLUID PRESSURE MEANS FOR SENSING EDGE POSITION AND FOR GENERATING CHANGES OF STATIC PRESSURE IN RESPONSE TO ERRORS IN THE POSITION OF THE EDGE, FIRST DIAPHRAGM MEANS FOR ACTUATION IN RESPONSE TO SAID CHANGES OF STATIC PRESSURE FROM SAID SENSING HEAD, SECOND DIAPHRAGM MEANS FOR ACTUATION IN RESPONSE TO A JOG SIGNAL TO MOVE AN EDGE ALIGNMENT CORRECTION DEVICE OVER A RELATIVELY LONG DISTANCE, A FORCE AMPLIFIER ACTUATED BY SAID FIRST AND SECOND DIAPHRAGM MEANS AND HAVING AN OUTPUT ELEMENT FOR CONTROLLING THE EDGE ALIGNMENT CORRECTION DEVICE, VALVE MEANS IN SAID FORCE AMPLIFIER FOR CONTROLLING THE ACCELERATION AND DECELERATION OF THE MOVEMENT OF SAID OUTPUT ELEMENT,
Claim 2
Dependent Claim
116 words
AN EDGE ALIGNMENT CONTROL SYSTEM COMPRISING: A SENSING HEAD HAVING FLUID PRESSURE MEANS FOR SENSING EDGE POSITION AND FOR GENERATING CHANGES OF STATIC PRESSURE IN RESPONSE TO ERRORS IN THE POSITION OF THE EDGE, FIRST DIAPHRAGM MEANS FOR ACTUATION IN RESPONSE TO SAID CHANGES OF STATIC PRESSURE FROM SAID SENSING HEAD, SECOND DIAPHRAGM MEANS FOR ACTUATION IN RESPONSE TO A JOG SIGNAL TO MOVE AN EDGE ALIGNMENT CORRECTION DEVICE OVER A RELATIVELY LONG DISTANCE, A FORCE AMPLIFIER ACTUATED BY SAID FIRST AND SECOND DIAPHRAGM MEANS AND HAVING AN OUTPUT ELEMENT FOR CONTROLLING THE EDGE ALIGNMENT CORRECTION DEVICE, VALVE MEANS IN SAID FORCE AMPLIFIER FOR CONTROLLING THE ACCELERATION AND DECELERATION OF THE MOVEMENT OF SAID OUTPUT ELEMENT,
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |