US3305931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measuring apparatus
Assignee: FERRAUTI Ltd
•
Filing: 1965-05-07
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Granted: 1967-02-28
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Expires: 1985-05-07
Abstract
No abstract record available.
Inventors
- 👤 Kerr Andrew Guy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:05
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/26; G01D5/32; G01D5/34; G01D5/347; G01D5/34707; G01D5/34715; G01B; G01B11/00; G01B11/002; G01D5/36; G01D5/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
MEASURING APPARATUS TO RESPOND TO THE MOVEMENT OF A PROBE IN A GIVEN DIRECTION WITH RESPECT TO A REFERENCE STRUCTURE INCLUDING A REFERENCE OPTICAL GRATING SECURED AND FIXED TO SAID STRUCTURE AND EXTENDING IN SAID DIRECTION, A CARRIAGE MOVABLE IN SAID DIRECTION WITH RESPECT TO SAID STRUCTURE AND SAID REFERENCE OPTICAL GRATING, A RESILIENTLY MOUNTED PROBE SUPPORTED BY THE CARRIAGE, SAID PROBE HAVING A TIP MOVABLE WITHIN A RESTRICTED RANGE OF RESILIENTLY-RESISTED MOVEMENT IN SAID DIRECTION WITH RESPECT TO THE CARRIAGE FROM A NORMAL POSITION OF THE TIP, AN INDEX OPTICAL GRATING SUPPORTED BY THE CARRIAGE, THE GRATINGS BEING RULED AND COMBINED TO SET UP AN OPTICAL PATTERN MOVABLE WITH RESPECT TO THE CARRIAGE AS THE CARRIAGE MOVES WITH RESPECT TO THE STRUCTURE, PHOTOELECTRIC TRANSDUCERS FOR RESPONDING TO SUCH MOVEMENT OF THE PATTERN, DISPLAY MEANS CONNECTED TO THE TRANSDUCERS FOR DERIVING FROM THEIR RESPONSES THE REQUIRED MEASUREMENT, AND CONNECTION MEANS BETWEEN THE PROBE AND THE INDEX
Claim 2
Dependent Claim
156 words
MEASURING APPARATUS TO RESPOND TO THE MOVEMENT OF A PROBE IN A GIVEN DIRECTION WITH RESPECT TO A REFERENCE STRUCTURE INCLUDING A REFERENCE OPTICAL GRATING SECURED AND FIXED TO SAID STRUCTURE AND EXTENDING IN SAID DIRECTION, A CARRIAGE MOVABLE IN SAID DIRECTION WITH RESPECT TO SAID STRUCTURE AND SAID REFERENCE OPTICAL GRATING, A RESILIENTLY MOUNTED PROBE SUPPORTED BY THE CARRIAGE, SAID PROBE HAVING A TIP MOVABLE WITHIN A RESTRICTED RANGE OF RESILIENTLY-RESISTED MOVEMENT IN SAID DIRECTION WITH RESPECT TO THE CARRIAGE FROM A NORMAL POSITION OF THE TIP, AN INDEX OPTICAL GRATING SUPPORTED BY THE CARRIAGE, THE GRATINGS BEING RULED AND COMBINED TO SET UP AN OPTICAL PATTERN MOVABLE WITH RESPECT TO THE CARRIAGE AS THE CARRIAGE MOVES WITH RESPECT TO THE STRUCTURE, PHOTOELECTRIC TRANSDUCERS FOR RESPONDING TO SUCH MOVEMENT OF THE PATTERN, DISPLAY MEANS CONNECTED TO THE TRANSDUCERS FOR DERIVING FROM THEIR RESPONSES THE REQUIRED MEASUREMENT, AND CONNECTION MEANS BETWEEN THE PROBE AND THE INDEX
References Cited (Backward Citations)
GB552287A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |