US3333504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of and apparatus for locating a fabricating tool relative to a predetermined point
Assignee: AT&T Inc
•
Filing: 1962-09-20
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Granted: 1967-08-01
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Expires: 1982-09-20
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Jones
- 👤 Jr William C Peak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:15
CPC Classifications
B; B25; B25H; B25H7/00; B23; B23B; B23B25/00; B23B25/06; G; G01; G01B; G01B11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A METHOD OF LOCATING THE AXIS OF A CHUCK IN ALIGNMENT WITH THE CENTER OF A CIRCULAR BORE EXTENDING PARALLEL TO SAID CHUCK AXIS IN A WORKPIECE, COMPRISING THE STEPS OF: POSITIONING A POLISHED METAL SPHERE HAVING A REFLECTIVE SURFACE IN THE BORE, SAID SPHERE HAVING A DIAMETER GREATER THAN THE DIAMETER OF THE BORE, MOUNTING A SOURCE OF LIGHT IN THE CHUCK, DIRECTING A BEAM OF LIGHT FROM THE SOURCE ALONG THE AXIS OF THE CHUCK ONTO THE SPHERICAL SURFACE,
Claim 2
Independent Claim
81 words
A METHOD OF LOCATING THE AXIS OF A CHUCK IN ALIGNMENT WITH THE CENTER OF A CIRCULAR BORE EXTENDING PARALLEL TO SAID CHUCK AXIS IN A WORKPIECE, COMPRISING THE STEPS OF: POSITIONING A POLISHED METAL SPHERE HAVING A REFLECTIVE SURFACE IN THE BORE, SAID SPHERE HAVING A DIAMETER GREATER THAN THE DIAMETER OF THE BORE, MOUNTING A SOURCE OF LIGHT IN THE CHUCK, DIRECTING A BEAM OF LIGHT FROM THE SOURCE ALONG THE AXIS OF THE CHUCK ONTO THE SPHERICAL SURFACE,
References Cited (Backward Citations)
US2202222A
Cited
US2146906A
Cited
US2402856A
Cited
US2466015A
Cited
US2557029A
Cited
US2510479A
Cited
US2684009A
Cited
US2906161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |