US3304745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball spline assembly
Assignee: Motors Liquidation Co
•
Filing: 1965-04-29
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Granted: 1967-02-21
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Expires: 1985-04-29
Abstract
No abstract record available.
Inventors
- 👤 Kenneth K King
- 👤 Donald P Marquis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:31
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/02; F16D3/06; F16D3/065; F16C; F16C29/00; F16C29/04; F16C29/06; F16C29/068; F16C29/0692; F16C29/0695
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN COMBINATION, A CYLINDRICAL MEMBER HAVING A PAIR OF GROOVES, ANTIFRICTION ELEMENTS IN EACH OF SAID GROOVES, RETAINER MEANS INCLUDING BRIDGE MEANS AND RAIL MEANS FOR RETAINING SAID ANTIFRICTION ELEMENTS ON SAID CYLINDRICAL MEMBER AND PERMITTING SAID ANTIFRICTION ELEMENTS TO EXTEND A SUBSTANTIAL DISTANCE BEYOND SAID RETAINER MEANS ONLY ALONG THE LENGTH OF SAID RAIL MEANS, GUIDE MEANS ON SAID CYLINDRICAL MEMBER FOR COOPERATING WITH SAID BRIDGE MEANS TO GUIDE SAID ANTIFRICTION ELEMENTS IN AN ENDLESS TRAIN TO AND FROM ONE GROOVE, TO AND FROM THE OTHER GROOVE AND SAID GUIDE MEANS HAVING MEANS FOR SUPPORTING SAID RETAINER MEANS ON SAID CYLINDRICAL MEMBER.
Claim 2
Dependent Claim
103 words
IN COMBINATION, A CYLINDRICAL MEMBER HAVING A PAIR OF GROOVES, ANTIFRICTION ELEMENTS IN EACH OF SAID GROOVES, RETAINER MEANS INCLUDING BRIDGE MEANS AND RAIL MEANS FOR RETAINING SAID ANTIFRICTION ELEMENTS ON SAID CYLINDRICAL MEMBER AND PERMITTING SAID ANTIFRICTION ELEMENTS TO EXTEND A SUBSTANTIAL DISTANCE BEYOND SAID RETAINER MEANS ONLY ALONG THE LENGTH OF SAID RAIL MEANS, GUIDE MEANS ON SAID CYLINDRICAL MEMBER FOR COOPERATING WITH SAID BRIDGE MEANS TO GUIDE SAID ANTIFRICTION ELEMENTS IN AN ENDLESS TRAIN TO AND FROM ONE GROOVE, TO AND FROM THE OTHER GROOVE AND SAID GUIDE MEANS HAVING MEANS FOR SUPPORTING SAID RETAINER MEANS ON SAID CYLINDRICAL MEMBER.
References Cited (Backward Citations)
US2791894A
Cited
US2968358A
Cited
US2908152A
Cited
US3046808A
Cited
US2983120A
Cited
US3210136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |