Patent US3142201A successfully refreshed from Google Patents.
US3142201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective cover for actuator screw shaft
Assignee: Motors Liquidation Co
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Filing: 1962-08-29
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Granted: 1964-07-28
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Expires: 1982-08-29
Abstract
No abstract record available.
Inventors
- 👤 Howard M Geyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:16
CPC Classifications
F; F16; F16H; F16H19/00; F16H19/02; F16H19/06; F16H19/0618; F16H25/00; F16H25/18; F16H25/20; F16H25/24; F16H25/2409; F16H25/2418; F16H25/22; F16H25/2204; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/219; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2549
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
129 words
IN A SCREW AND NUT TYPE ACTUATOR, AN ELONGATE HELICALLY GROOVED SCREW SHAFT, A NUT HAVING THREADED ENGAGEMENT WITH SAID SCREW SHAFT, PROTECTIVE CORD COVER MEANS FOR SAID SCREW SHAFT COMPRISING A PAIR OF HELICALLY WOUND CORD STRANDS, THE INNER CORD STRAND ENGAGING THE GROOVES OF SAID SCREW SHAFT AND THE OUTER CORD STRAND BEING NESTED WITH THE COIL OF THE INNER CORD STRAND AND IN ENGAGEMENT WITH ADJACENT CONVOLUTIONS THEREOF, AND MEANS GUIDING SAID INNER AND OUTER CORD STRANDS OVER SAID NUT IN SUPERPOSED RELATION WHEREBY RELATIVE ROTATION BETWEEN SAID NUT AND SAID SCREW SHAFT WILL RESULT IN UNWINDING SAID CORD STRANDS FROM SAID SCREW SHAFT ON ONE SIDE OF SAID NUT AND REWINDING SAID CORD STRANDS ON SAID SCREW SHAFT ON THE OTHER SIDE OF SAID NUT.
References Cited (Backward Citations)
US2907361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |