USRE27403E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable pitch linear actuator
Assignee: —
•
Filing: 1970-01-20
•
Granted: 1972-06-27
•
Expires: 1990-01-20
Abstract
Abstract A VARIABLE PITCH LINEAR ACTUATOR FOR CONVERTING ANGULAR ROTATION TO LINEAR MOVEMENT. THE CONVERSION IS ACHIEVED BY PROVIDING A PLURALITY OF WHEELS SPACED ABOUT THE PERIPHERY OF A SHAFT, WITH THE PLANES OF SAID WHEELS BEING PIVOTABLE ABOUT AXES PERPENDICULAR TO THE SHAFT.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:09
CPC Classifications
F; F16; F16H; F16H19/00; F16H19/02; F16H19/025; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-27 | 1975-12-27 | 1976-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-27 | 1979-12-27 | 1980-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-27 | 1983-12-27 | 1984-06-27 | $7700.00 | Window Closed / Lapsed |