US3104502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for grinding spherical bodies
Assignee: Individual
•
Filing: 1962-07-17
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Granted: 1963-09-24
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Expires: 1982-07-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Roy F Burch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:49
CPC Classifications
B; B24; B24B; B24B11/00; B24B11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
AN APPARATUS FOR GRINDING SPHERICAL BODIES, COMPRISING: A DISK HAVING A SHALLOW CIRCULAR RECESS IN ONE FACE THEREOF; A SHAFT EXTENDING FROM THE OPPOSITE FACE OF SAID DISK ECCENTRICALLY TO SAID RECESS; MEANS ACTING THROUGH THE SHAFT TO ROTATE THE DISK ABOUT THE AXIS OF THE SHAFT; A MEMBER HAVING A FLAT ABRASIVE SURFACE POSITIONED PARALLEL TO THE ONE FACE OF THE DISK AND IN SPACED APART RELATIONSHIP THERETO; RESILIENT MEANS ATTACHED TO SAID SHAFT FOR URGING THE DISK AXIALLY IN THE DIRECTION OF THE MEMBER; AND MEANS FOR IMPARTING LINEAR, UNIDIRECTIONAL MOVEMENT TO SAID MEMBER WHILE SAID DISK IS IN ROTATION.
Claim 2
Independent Claim
102 words
AN APPARATUS FOR GRINDING SPHERICAL BODIES, COMPRISING: A DISK HAVING A SHALLOW CIRCULAR RECESS IN ONE FACE THEREOF; A SHAFT EXTENDING FROM THE OPPOSITE FACE OF SAID DISK ECCENTRICALLY TO SAID RECESS; MEANS ACTING THROUGH THE SHAFT TO ROTATE THE DISK ABOUT THE AXIS OF THE SHAFT; A MEMBER HAVING A FLAT ABRASIVE SURFACE POSITIONED PARALLEL TO THE ONE FACE OF THE DISK AND IN SPACED APART RELATIONSHIP THERETO; RESILIENT MEANS ATTACHED TO SAID SHAFT FOR URGING THE DISK AXIALLY IN THE DIRECTION OF THE MEMBER; AND MEANS FOR IMPARTING LINEAR, UNIDIRECTIONAL MOVEMENT TO SAID MEMBER WHILE SAID DISK IS IN ROTATION.
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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |