Patent US3111789A successfully refreshed from Google Patents.
US3111789A
Expired / Lapsed
US
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Sphere lapping machine
Assignee: Honeywell Inc
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Filing: 1962-08-01
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Granted: 1963-11-26
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Expires: 1982-08-01
Abstract
No abstract record available.
Inventors
- 👤 Hubert N Harmon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:14
CPC Classifications
B; B24; B24B; B24B11/00; B24B11/02; B24B11/04; B24B11/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A SPHERE LAPPING MACHINE COMPRISING, IN COMBINATION: WORK HOLDING MEANS FOR SUPPORTING A SPHERE TO BE LAPPED WITH ITS CENTER AT A PREDETERMINED POINT LYING ON A FIRST AXIS, INCLUDING FIRST AND SECOND HOLDING MEMBERS SEVERALLY RECIPROCABLE ALONG AND ROTATABLE ABOUT RESPECTIVE SECOND AND THIRD AXES WHICH INTERSECT EACH OTHER AND SAID FIRST AXIS AT SAID POINT; AND LAP ACTUATING MEANS INCLUDING A LAP HAVING A CONCAVE SPHERICAL LAPPING SURFACE, LAP HOLDING MEANS RECIPROCABLE ALONG AND ROTATABLE ABOUT A FOURTH AXIS PASSING THROUGH THE CENTER OF SAID CONCAVE SPHERICAL SURFACE, AND MEANS CAUSING SAID FOURTH AXIS TO REVOLVE ABOUT SAID FIRST AXIS WHILE CONTINUALLY PASSING THROUGH SAID POINT.
Claim 2
Dependent Claim
108 words
A SPHERE LAPPING MACHINE COMPRISING, IN COMBINATION: WORK HOLDING MEANS FOR SUPPORTING A SPHERE TO BE LAPPED WITH ITS CENTER AT A PREDETERMINED POINT LYING ON A FIRST AXIS, INCLUDING FIRST AND SECOND HOLDING MEMBERS SEVERALLY RECIPROCABLE ALONG AND ROTATABLE ABOUT RESPECTIVE SECOND AND THIRD AXES WHICH INTERSECT EACH OTHER AND SAID FIRST AXIS AT SAID POINT; AND LAP ACTUATING MEANS INCLUDING A LAP HAVING A CONCAVE SPHERICAL LAPPING SURFACE, LAP HOLDING MEANS RECIPROCABLE ALONG AND ROTATABLE ABOUT A FOURTH AXIS PASSING THROUGH THE CENTER OF SAID CONCAVE SPHERICAL SURFACE, AND MEANS CAUSING SAID FOURTH AXIS TO REVOLVE ABOUT SAID FIRST AXIS WHILE CONTINUALLY PASSING THROUGH SAID POINT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |