US3382741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for machining balls
Assignee: Hoover Universal Inc
•
Filing: 1966-05-25
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Granted: 1968-05-14
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Expires: 1986-05-25
Abstract
No abstract record available.
Inventors
- 👤 Paul J Hackbarth
- 👤 Jacob S Doty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:20
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/009; B23B39/00; B23B39/16; B23B39/22; Y; Y10; Y10T; Y10T408/00; Y10T408/36; Y10T408/375; Y10T408/378; Y10T408/3792; Y10T408/55; Y10T408/561; Y10T408/5623; Y10T408/56245
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
APPARATUS FOR MACHINING SHAPED OPENINGS IN BALLS, SAID APPARATUS COMPRISING A FIXED BODY, MEANS IN SAID BODY FOR SUPPORTING A BALL TO BE MACHINED, A PAIR OF CLAMP MEMBERS ON SAID BODY ENGAGEABLE WITH DIAMETRICALLY OPPOSITE SIDES OF A BALL IN SAID BODY SO AS TO EXERT COMPRESSIVE FORCES ON A BALL ENGAGED THEREBETWEEN TO RETAIN SAID BALL IN A FIXED POSITION IN SAID BODY, A PAIR OF AXIALLY ALIGNED TOOLS DISPOSED ON DIAMETRICALLY OPPOSITE SIDES OF A BALL CLAMPED BETWEEN SAID CLAMP MEMBERS, ONE OF SAID TOOLS BEING A DRILL OF A LENGTH TO EXTEND DIAMETRICALLY THROUGH SAID BALL, MEANS FOR ADVANCING SAID DRILL THROUGH SAID BALL AND RETRACTING SAID DRILL SO AS TO LEAVE A THROUGH HOLE IN SAID BALL, THE OTHER ONE OF SAID TOOLS HAVING A TERMINAL END SECTION OF A SIZE TO BE PILOTED IN SAID HOLE FORMED BY SAID DRILL, SAID OTHER TOOL HAVING AT LEAST ONE SECTION OF A LARGE DIAMETER THAN SAID DRILL
Claim 2
Dependent Claim
161 words
APPARATUS FOR MACHINING SHAPED OPENINGS IN BALLS, SAID APPARATUS COMPRISING A FIXED BODY, MEANS IN SAID BODY FOR SUPPORTING A BALL TO BE MACHINED, A PAIR OF CLAMP MEMBERS ON SAID BODY ENGAGEABLE WITH DIAMETRICALLY OPPOSITE SIDES OF A BALL IN SAID BODY SO AS TO EXERT COMPRESSIVE FORCES ON A BALL ENGAGED THEREBETWEEN TO RETAIN SAID BALL IN A FIXED POSITION IN SAID BODY, A PAIR OF AXIALLY ALIGNED TOOLS DISPOSED ON DIAMETRICALLY OPPOSITE SIDES OF A BALL CLAMPED BETWEEN SAID CLAMP MEMBERS, ONE OF SAID TOOLS BEING A DRILL OF A LENGTH TO EXTEND DIAMETRICALLY THROUGH SAID BALL, MEANS FOR ADVANCING SAID DRILL THROUGH SAID BALL AND RETRACTING SAID DRILL SO AS TO LEAVE A THROUGH HOLE IN SAID BALL, THE OTHER ONE OF SAID TOOLS HAVING A TERMINAL END SECTION OF A SIZE TO BE PILOTED IN SAID HOLE FORMED BY SAID DRILL, SAID OTHER TOOL HAVING AT LEAST ONE SECTION OF A LARGE DIAMETER THAN SAID DRILL
References Cited (Backward Citations)
US1643679A
Cited
US1883993A
Cited
US2242169A
Cited
US2667795A
Cited
US2842015A
Cited
US3303727A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |