US3239142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic sensing device with digital readout
Assignee: Corning Glass Works
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Filing: 1963-02-28
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Granted: 1966-03-08
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Expires: 1983-02-28
Abstract
No abstract record available.
Inventors
- 👤 Gerald A Levine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:47
CPC Classifications
H; H03; H03M; H03M1/00; F; F15; F15C; F15C1/00; F15C1/003; H03M1/12; H03M1/22; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86743
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
APPARATUS FOR CONTINUOUSLY PNEUMATICALLY SENSING THE POSITION OF A MOVABLE MACHINE PART RELATIVE TO A PREDETERMINED REFERENCE AND REPRESENTING SUCH POSITION IN BINARY CODED FORM BY THE PRESENCE OR ABSENCE OF PRESSURE IN FLUID READOUT PASSAGES WHICH COMPRISES, AN ENCODED MEMBER MOUNTED FOR MOVEMENT WITH A MOVABLE MACHINE PART, A PLURALITY OF LANDS AND GROOVES FORMED ON THE FACE OF SAID ENCODED MEMBER REPRESENTING THE PRESENCE AND ABSENCE RESPECTIVELY OF VARIOUS BIT LEVELS OF THE BINARY CODE, SAID LANDS AND GROOVES PROVIDING A PLURALITY OF ADJACENT SECTIONS EACH HAVING A UNIQUE CONFIGURATION OF LANDS REPRESENTING A DIFFERENT BINARY CODED VALUE FOR INDICATING A PARTICULAR POSITIONMENT OF THE MACHINE PART, A SENSING BLOCK POSITIONED IN CLOSE ADJACENCY TO THE LANDS OF SAID ENCODED MEMBER TO SIMULTANEOUSLY SUPPLY FLUID UNDER PRESSURE TO EACH BIT LEVEL WITHIN A SECTION PRESENTED THERETO FOR SENSING IN RESPONSE TO THE POSITION OF THE MACHINE PART, SAID SENSING BLOCK COMPRISING A PRESSURE
Claim 2
Dependent Claim
155 words
APPARATUS FOR CONTINUOUSLY PNEUMATICALLY SENSING THE POSITION OF A MOVABLE MACHINE PART RELATIVE TO A PREDETERMINED REFERENCE AND REPRESENTING SUCH POSITION IN BINARY CODED FORM BY THE PRESENCE OR ABSENCE OF PRESSURE IN FLUID READOUT PASSAGES WHICH COMPRISES, AN ENCODED MEMBER MOUNTED FOR MOVEMENT WITH A MOVABLE MACHINE PART, A PLURALITY OF LANDS AND GROOVES FORMED ON THE FACE OF SAID ENCODED MEMBER REPRESENTING THE PRESENCE AND ABSENCE RESPECTIVELY OF VARIOUS BIT LEVELS OF THE BINARY CODE, SAID LANDS AND GROOVES PROVIDING A PLURALITY OF ADJACENT SECTIONS EACH HAVING A UNIQUE CONFIGURATION OF LANDS REPRESENTING A DIFFERENT BINARY CODED VALUE FOR INDICATING A PARTICULAR POSITIONMENT OF THE MACHINE PART, A SENSING BLOCK POSITIONED IN CLOSE ADJACENCY TO THE LANDS OF SAID ENCODED MEMBER TO SIMULTANEOUSLY SUPPLY FLUID UNDER PRESSURE TO EACH BIT LEVEL WITHIN A SECTION PRESENTED THERETO FOR SENSING IN RESPONSE TO THE POSITION OF THE MACHINE PART, SAID SENSING BLOCK COMPRISING A PRESSURE
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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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |