US3171697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball bearings
Assignee: Individual
•
Filing: 1962-02-23
•
Granted: 1965-03-02
•
Expires: 1982-02-23
Abstract
No abstract record available.
Inventors
- 👤 Nicolaides Constantin Emmanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:45
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/02; F16C19/14; F16C19/16; F16C19/163; F16C19/166; F16C13/00; F16C13/006; F16C33/00; F16C33/30; F16C33/58; F16C33/588
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A BALL BEARING COMPRISING A STIFF SHEET METAL CIRCULAR INNER RACE MEMBER SHAPED FROM A SINGLE SHEET METAL BLANK WHICH HAS AN END WALL PERPENDICULAR TO THE AXIS OF SAID INNER RACE MEMBER AND A RADIALLY OUTWARDLY OPENING PERIPHERAL GROOVE HAVING A BALL CONTACT PORTION OF WHICH IS SYMMETRICAL ABOUT A PLANE PERPENDICULAR TO THE AXIS OF SAID INNER RACE MEMBER, SAID END WALL BEING ADAPTED TO FIXEDLY RECEIVE A COAXIAL CYLINDRICAL MEMBER FOR SECURING THE INNER RACE TO A LOAD MEMBER, A STIFF SHEET METAL OUTER RACE MEMBER SHAPED FROM A SINGLE METAL BLANK WHICH HAS AN END WALL PORTION AND A BENT PERIPHERAL PORTION SHAPED TO FORM A RADIALLY INWARDLY OPENING VSHAPED CAVITY A BALL CONTACT PORTION OF WHICH IS SYMMETRICAL ABOUT SAID PLANE AND A PLURALITY OF BALL DISPOSED BETWEEN SAID GROOVE AND SAID V-SHAPED CAVITY.
Claim 2
Dependent Claim
139 words
A BALL BEARING COMPRISING A STIFF SHEET METAL CIRCULAR INNER RACE MEMBER SHAPED FROM A SINGLE SHEET METAL BLANK WHICH HAS AN END WALL PERPENDICULAR TO THE AXIS OF SAID INNER RACE MEMBER AND A RADIALLY OUTWARDLY OPENING PERIPHERAL GROOVE HAVING A BALL CONTACT PORTION OF WHICH IS SYMMETRICAL ABOUT A PLANE PERPENDICULAR TO THE AXIS OF SAID INNER RACE MEMBER, SAID END WALL BEING ADAPTED TO FIXEDLY RECEIVE A COAXIAL CYLINDRICAL MEMBER FOR SECURING THE INNER RACE TO A LOAD MEMBER, A STIFF SHEET METAL OUTER RACE MEMBER SHAPED FROM A SINGLE METAL BLANK WHICH HAS AN END WALL PORTION AND A BENT PERIPHERAL PORTION SHAPED TO FORM A RADIALLY INWARDLY OPENING VSHAPED CAVITY A BALL CONTACT PORTION OF WHICH IS SYMMETRICAL ABOUT SAID PLANE AND A PLURALITY OF BALL DISPOSED BETWEEN SAID GROOVE AND SAID V-SHAPED CAVITY.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |